babytherm_8004_and_8010_error_list_aug_1999.pdf
Page 1
Dräger Medizintechnik
Error List
1
Babytherm 8004/8010 Error List
• Click on an error code to jump to relevant description of the error code.
Micro-controller errors cause a program abort. Other errors cause a
program abort only after they have occurred several times. All errors and
their occurrence are written in the error log.
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
Error codes shown on the text display
"Acc"
"17"
"40"
"63"
"86"
"01"
"18"
"41"
"64"
"87"
"02"
"20"
"42"
"65"
"88"
"03"
"21"
"43"
"66"
"89"
"04"
"22"
"44"
"67"
"90"
"05"
"23"
"50"
"68"
"91"
"06"
"24"
"51"
"69"
"92"
"08"
"25"
"53"
"70"
"93"
"10"
"26"
"54"
"71"
"94"
"11"
"30"
"55"
"80"
"95"
"12"
"31"
"56"
"81"
"13"
"32"
"57"
"82"
"14"
"33"
"58"
"83"
"15"
"34"
"59"
"84"
"16"
"35"
"60"
"85"
6132.300 Babytherm 8004/Babytherm 8010
08/99
Error List
Page 1
Page 2
Dräger Medizintechnik
Error
Cause
Acc
The GoldCap capacitor on the
WT Power PCB or the
charging circuit of the
GoldCap capacitor on the
WT Power PCB is defective.
Corrective Measure
• Check the WT Power PCB as follows:
− Repair Instructions: "Checking the WT
Power PCB"
− DrägerService Mode: "Mode d07: Displaying
the GoldCap Voltage"
• Replace the WT Power PCB, see Repair
Instructions: "Replacing the WT Power PCB".
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
The GoldCap capacitor
charging voltage ON/OFF
switching element (located on
the WT Controller PCB or the
A/D channel "VIN7" on the
WT Controller PCB is
defective.
6132.300 Babytherm 8004/Babytherm 8010
08/99
Error List
Page 2
Page 3
Dräger Medizintechnik
Corrective Measure
Error
Cause
01
The supply voltage on the
WT Sensor PCB is not
available. The micro-controller
of the WT Controller PCB
cannot read the +5V supply
voltage and the reference
voltage. The DC/DC converter
for the 5V supply voltage on the
WT Sensor PCB is defective.
The +5V supply voltage is
outside tolerance (tolerance
range: 2 V to 7 V).
• Check the WT Sensor PCB using the
DrägerService Mode: "Mode d10: Displaying
WT Sensor PCB Voltage".
A supply voltage on the
WT Power PCB is not
available.
• Check the WT Power PCB using the Repair
Instructions: "Checking the WT Power PCB".
Communication with the
WT Controller PCB is
disturbed. No measured values
are displayed.
• Check communication in the DrägerService
Mode: tests d03 through d06, d08, d16 and
d17.
• Replace the WT Sensor PCB, see Repair
Instructions: "Replacing the WT Sensor PCB".
• Replace the WT Power PCB, see Repair
Instructions: "Replacing the WT Power PCB".
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
• Check the following cable connections:
− WT Sensor PCB to control unit
− Control unit to WT Power PCB
− WT Power PCB to WT Controller PCB.
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
• Fix or replace the defective cable connection.
6132.300 Babytherm 8004/Babytherm 8010
08/99
Error List
Page 3
Page 4
Dräger Medizintechnik
Corrective Measure
Error
Cause
02
Skin-temperature measurement
of WT Sensor PCB is faulty.
The micro-controller of the
WT Controller PCB has
compared the skin-temperature
values and detected an error.
• Check communication in the DrägerService
Mode: tests d03 through d06, d08, d16 and
d17.
Short-circuit fault in a skintemperature sensor.
• Check or replace skin-temperature sensors.
The cable connection from the
skin-temperature sensor to the
WT Sensor PCB is defective.
• Fix or replace the cable connection.
The WT Sensor PCB is
defective.
• Check the WT Sensor PCB in the
DrägerService Mode as follows:
• Replace the WT Sensor PCB, see Repair
Instructions: "Replacing the WT Sensor PCB".
− "Mode d16: Displaying the Skin Temperature
Channel 1 and the Reference Value"
− "Mode d17: Displaying the Skin Temperature
Channel 2 and the Reference Value".
• Replace the WT Sensor PCB, see Repair
Instructions: "Replacing the WT Sensor PCB".
Communication with the
WT Controller PCB is
disturbed. No measured values
are displayed.
• Check communication in the DrägerService
Mode: tests d03 through d06, d08, d16 and
d17.
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
• Check the following cable connections:
− WT Sensor PCB to control unit
− Control unit to WT Power PCB
− WT Power PCB to WT Controller PCB
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
• Fix or replace the defective cable connection.
6132.300 Babytherm 8004/Babytherm 8010
08/99
Error List
Page 4
Page 5
Dräger Medizintechnik
Error
Cause
Corrective Measure
03
The skin-temperature reference
channel 1 on the
WT Sensor PCB is faulty.
During the 10-minute test, the
micro-controller detects that
the value of skin-temperature
channel 1 is outside tolerance.
• Check the WT Sensor PCB using the
DrägerService Mode: "Mode d16: Displaying
the Skin Temperature Channel 1 and the
Reference Value".
• Replace the WT Sensor PCB, see Repair
Instructions: "Replacing the WT Sensor PCB".
• Check the following cable connections:
− WT Sensor PCB to control unit
− Control unit to WT Power PCB
− WT Power PCB to WT Controller PCB
• Fix or replace the defective cable connection.
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
• Replace the WT Power PCB, see Repair
Instructions: "Replacing the WT Power PCB".
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
Communication with the
WT Controller PCB is
disturbed. No measured values
are displayed.
6132.300 Babytherm 8004/Babytherm 8010
08/99
Error List
Page 5
Page 6
Dräger Medizintechnik
Error
Cause
Corrective Measure
04
The skin-temperature reference
channel 2 on the
WT Sensor PCB is faulty.
During the 10-minute test, the
micro-controller detects that
the value of skin-temperature
channel 2 is outside tolerance.
• Check the WT Sensor PCB using the
DrägerService Mode: "Mode d17: Displaying
the Skin Temperature Channel 2 and the
Reference Value".
• Replace the WT Sensor PCB, see Repair
Instructions: "Replacing the WT Sensor PCB".
• Check the following cable connections:
− WT Sensor PCB to control unit
− Control unit to WT Power PCB
− WT Power PCB to WT Controller PCB
• Fix or replace the defective cable connection.
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
• Replace the WT Power PCB, see Repair
Instructions: "Replacing the WT Power PCB".
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
Communication with the
WT Controller PCB is
disturbed. No measured values
are displayed.
6132.300 Babytherm 8004/Babytherm 8010
08/99
Error List
Page 6
Page 7
Dräger Medizintechnik
Error
Cause
Corrective Measure
05
The skin temperature analog
switch 1 on the
WT Sensor PCB is defective.
The micro-controller of the
WT Controller PCB has
detected a signal although the
measuring signal and the
reference signal of the skintemperature channel 1 are
switched off.
• Check the WT Sensor PCB using the
DrägerService Mode: "Mode d16: Displaying
the Skin Temperature Channel 1 and the
Reference Value".
• Replace the WT Sensor PCB, see Repair
Instructions: "Replacing the WT Sensor PCB".
• Check the following cable connections:
− WT Sensor PCB to control unit
− Control unit to WT Power PCB
− WT Power PCB to WT Controller PCB
• Fix or replace the defective cable connection.
Communication with the
WT Controller PCB is
disturbed.
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
• Replace the WT Power PCB, see Repair
Instructions: "Replacing the WT Power PCB".
6132.300 Babytherm 8004/Babytherm 8010
08/99
Error List
Page 7
Page 8
Dräger Medizintechnik
Error
Cause
Corrective Measure
06
The skin temperature analog
switch 2 on the
WT Sensor PCB is defective.
The micro-controller of the
WT Controller PCB has
detected a signal although the
measuring signal and the
reference signal of the skintemperature channel 2 are
switched off.
• Check the WT Sensor PCB using the
DrägerService Mode: "Mode d17: Displaying
the Skin Temperature Channel 2 and the
Reference Value".
• Replace the WT Sensor PCB, see Repair
Instructions: "Replacing the WT Sensor PCB".
• Check the following cable connections:
− WT Sensor PCB to control unit
− Control unit to WT Power PCB
− WT Power PCB to WT Controller PCB
• Fix or replace the defective cable connection.
Communication with the
WT Controller PCB is
disturbed.
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
• Replace the WT Power PCB, see Repair
Instructions: "Replacing the WT Power PCB".
08
Read error during
configuration.
-----------------------------------------------------
10
The EPROM (D2) on the
WT Controller PCB or the
WT Controller PCB is
defective. The error has been
detected during the self-test.
• Check the WT Controller PCB using the
Repair Instructions: "Checking the
WT Controller PCB".
• Replace EPROM (D2) on the
WT Controller PCB: "General Information
About the WT Controller PCB"
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
6132.300 Babytherm 8004/Babytherm 8010
08/99
Error List
Page 8
Page 9
Dräger Medizintechnik
Error
Cause
Corrective Measure
11
The EPROM (D2) on the
WT Controller PCB or the
WT Controller PCB is
defective. A checksum error
has been detected during
operation.
• Check the WT Controller PCB using the
Repair Instructions: "Checking the
WT Controller PCB".
• Replace EPROM (D2) on the
WT Controller PCB: "General Information
About the WT Controller PCB".
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
The RAM or the
WT Controller PCB is
defective. The error has been
detected during the self-test.
• Check the WT Controller PCB using the
Repair Instructions: "Checking the
WT Controller PCB".
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
12
6132.300 Babytherm 8004/Babytherm 8010
08/99
Error List
Page 9
Page 10
Dräger Medizintechnik
Error
Cause
13
Software, RAM, or
WT Controller PCB error. A
value has been stored
incorrectly in the RAM.
• Check the WT Controller PCB using the
Repair Instructions: "Checking the
WT Controller PCB".
External interference due to
electrostatics.
• Remove external interference due to
electrostatics.
Error in program sequence on
the WT Controller PCB.
EPROM (D2) or the
WT Controller PCB is
defective.
• Check the WT Controller PCB using the
Repair Instructions: "Checking the
WT Controller PCB".
14
Corrective Measure
• If error 13 has occurred several times, replace
the WT Controller PCB. Replace the
WT Controller PCB, see Repair Instructions:
"Replacing the WT Controller PCB".
• Replace EPROM (D2) on the
WT Controller PCB, see Repair Instructions:
"General Information About the
WT Controller PCB".
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
15
The EEPROM or the
WT Controller PCB is
defective. The error has been
detected during the self-test.
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
16
Watchdog 1 on the
WT Controller PCB is
defective.
• Check the WT Controller PCB using the
DrägerService Mode: "Mode d11: Displaying
the Time of Watchdog 1".
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
17
Watchdog 2 on the
WT Controller PCB is
defective.
• Check the WT Controller PCB using the
DrägerService Mode: "Mode d12: Displaying
the Time of Watchdog 2".
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
18
Analog error. Several analog
inputs of the A/D converter on
the WT Sensor PCB have a
short-circuit fault.
6132.300 Babytherm 8004/Babytherm 8010
08/99
• Check the WT Sensor PCB using the
DrägerService Mode: tests d03 through d10,
d16 and d17.
• Replace the WT Sensor PCB, see Repair
Instructions: "Replacing the WT Sensor PCB".
Error List
Page 10
Page 11
Dräger Medizintechnik
Error
Cause
20
Temperature measurement of
the mattress heater on the
WT Sensor PCB is faulty. The
micro-controller has detected
that the value of the mattress
temperature measurement
channel 1 (value of mattress
temperature measurement
channel = 41.6 °C) is outside
tolerance.
• Check the WT Sensor PCB using the
DrägerService Mode: "Mode d03: Testing the
Mattress Temperature Channel 1 (Babytherm
8010)".
Temperature measurement of
the mattress heater on the
WT Sensor PCB is faulty. The
micro-controller has detected
that the value of the mattress
temperature measurement
channel 3 (value of mattress
temperature measurement
channel = 41.6 °C) is outside
tolerance.
• Check the WT Sensor PCB using the
DrägerService Mode: "Mode d05: Testing the
Mattress Temperature Channel 3 (Babytherm
8010)".
The excess-temperature
comparator on the
WT Sensor PCB is faulty. The
micro-controller switches the
temperature channel 1 to test
resistance (41.6 °C). The
micro-controller has detected
that the excess-temperature
comparator has not switched.
• Check the WT Sensor PCB using the
DrägerService Mode: "Mode d03: Testing the
Mattress Temperature Channel 1 (Babytherm
8010)".
The WT Controller PCB is
defective.
• Check the WT Controller PCB using the
Repair Instructions: "Checking the
WT Controller PCB".
21
22
Corrective Measure
• Replace the WT Sensor PCB, see Repair
Instructions: "Replacing the WT Sensor PCB".
• Replace the WT Sensor PCB, see Repair
Instructions: "Replacing the WT Sensor PCB".
• Replace the WT Sensor PCB, see Repair
Instructions: "Replacing the WT Sensor PCB".
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
6132.300 Babytherm 8004/Babytherm 8010
08/99
Error List
Page 11
Page 12
Dräger Medizintechnik
Error
Cause
23
The excess-temperature
comparator on the
WT Sensor PCB is faulty. The
micro-controller switches the
temperature channel 3 to test
resistance (41.6 °C). The
micro-controller has detected
that the excess-temperature
comparator has not switched.
• Check the WT Sensor PCB using the
DrägerService Mode: "Mode d05: Testing the
Mattress Temperature Channel 3 (Babytherm
8010)".
The WT Controller PCB is
defective.
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
The reference voltage of the
A/D test channel on the
WT Controller PCB is outside
tolerance.
• Check the WT Controller PCB using the
DrägerService Mode: "Mode d08: Displaying
the Analog-to-Digital Converter Test Channel".
The WT Power PCB is
defective.
• Replace the WT Power PCB, see Repair
Instructions: "Replacing the WT Power PCB".
The GoldCap capacitor or the
charging circuit of the
GoldCap capacitor on the
WT Power PCB is defective.
• Check the WT Power PCB:
24
25
Corrective Measure
• Replace the WT Sensor PCB, see Repair
Instructions: "Replacing the WT Sensor PCB".
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
− Repair Instructions: "Checking the WT
Power PCB".
− DrägerService Mode: "Mode d07: Displaying
the GoldCap Voltage".
• Replace the WT Power PCB, see Repair
Instructions: "Replacing the WT Power PCB".
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
The power supply to the
5V LED or the analog switch on
the WT Power PCB is faulty.
• Check the LED voltage on the WT Power PCB
in the DrägerService Mode: "Mode d09:
Displaying the LED Voltage".
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
26
The GoldCap capacitor
charging circuit ON/OFF
switching element or the A/D
channel "VIN7" on the
WT Controller PCB is
defective.
• Measure the LED voltage "5 VLED", see Repair
Instructions: "Checking the WT Power PCB".
• Replace the WT Power PCB, see Repair
Instructions: "Replacing the WT Power PCB".
6132.300 Babytherm 8004/Babytherm 8010
08/99
Error List
Page 12
Page 13
Dräger Medizintechnik
Error
Cause
Corrective Measure
The A/D converter channel
"VIN7" on the
WT Controller PCB is
defective.
30
The safety relay (K301) or the
feedback signal of the
WT Power PCB is faulty.
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
Check the safety relay (K301) as follows:
• DrägerService Mode: Select "Mode d13:
Testing the Solid State Relay of the Mattress
Heater (Babytherm 8010)" and switch safety
relay on; to do so, press the Check key.
• DrägerService Mode: Select "Mode d13:
Testing the Solid State Relay of the Mattress
Heater (Babytherm 8010)" and switch safety
relay off; to do so, press the Check key.
• DrägerService Mode: Select "Mode d14:
Switching the Mattress Heater On/Off
(Babytherm 8010)" and switch mattress heater
on; to do so, press the Check key.
If in the DS Mode, test d14, the mattress heater
feedback signal "Heater on" is displayed, the
WT Power PCB is defective.
• Check the WT Power PCB, see Repair
Instructions: "Checking the WT Power PCB".
• Replace the WT Power PCB, see Repair
Instructions: "Replacing the WT Power PCB".
Reading of acknowledgment
signal on the
WT Controller PCB is faulty.
• Check the WT Controller PCB using the
Repair Instructions: "Checking the
WT Controller PCB".
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
6132.300 Babytherm 8004/Babytherm 8010
08/99
Error List
Page 13
Page 14
Dräger Medizintechnik
Error
Cause
Corrective Measure
31
The mattress heater cannot be
switched off. The safety relay
(K301), the Triac control, the
Triac, or the feedback signal of
the WT Power PCB is faulty.
Check the safety relay (K301) as follows:
• DrägerService Mode: Select "Mode d13:
Testing the Solid State Relay of the Mattress
Heater (Babytherm 8010)" and switch safety
relay on; to do so, press the Check key.
• DrägerService Mode: Select "Mode d13:
Testing the Solid State Relay of the Mattress
Heater (Babytherm 8010)" and switch safety
relay off; to do so, press the Check key.
• DrägerService Mode: Select "Mode d14:
Switching the Mattress Heater On/Off
(Babytherm 8010)" and switch mattress heater
on; to do so, press the Check key.
If in the DS Mode, test d14, the mattress heater
feedback signal "Heater on" is displayed, the
WT Power PCB is defective.
• Check the WT Power PCB, see Repair
Instructions: "Checking the WT Power PCB".
• Replace the WT Power PCB, see "Replacing
the WT Power PCB".
The mattress heater feedback
signal on the
WT Controller PCB is faulty.
• Check the WT Controller PCB using the
Repair Instructions: "Checking the
WT Controller PCB".
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
6132.300 Babytherm 8004/Babytherm 8010
08/99
Error List
Page 14
Page 15
Dräger Medizintechnik
Error
Cause
Corrective Measure
32
The mattress heater cannot be
switched on.
The fuse (F11) on the
WT Power PCB is defective.
• Replace the fuse (F11) on the WT Power PCB,
see Repair Instructions: "Checking the WT
Power PCB".
The mattress heater is not
connected.
• Checking the mattress heater, see error
number ""70"".
The safety relay (K301), the
Triac control, the Triac, or the
feedback signal of the mattress
heater on the WT Power PCB
is faulty.
Check the safety relay (K301) as follows:
• DrägerService Mode: Select "Mode d13:
Testing the Solid State Relay of the Mattress
Heater (Babytherm 8010)" and switch safety
relay on.
• DrägerService Mode: Select "Mode d14:
Switching the Mattress Heater On/Off
(Babytherm 8010)" and switch mattress heater
on.
If in the DS Mode, test d14, the mattress heater
feedback signal "Heater off" is displayed, the
WT Power PCB is defective.
• Check the WT Power PCB, see Repair
Instructions: "Checking the WT Power PCB".
• Replace the WT Power PCB, see Repair
Instructions: "Replacing the WT Power PCB".
The WT Controller PCB is
defective.
• Check the WT Controller PCB using the
Repair Instructions: "Checking the
WT Controller PCB".
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
6132.300 Babytherm 8004/Babytherm 8010
08/99
Error List
Page 15
Page 16
Dräger Medizintechnik
Error
Cause
Corrective Measure
33
The safety relay (K4) of the
mattress heater or the
feedback signal of the
WT Relay PCB is faulty.
Check the safety relay (K4) as follows:
• Open the control unit, see Repair Instructions:
"Opening the Control Unit".
• DrägerService Mode: Select "Mode d18:
Testing the Solid State Relay of the Radiant
Heater" and switch safety relay on.
The LED "safety relay (infrared rods)" on the
WT Relay PCB is on.
• DrägerService Mode: Select "Mode d19:
Switching the Radiant Heater On/Off" and
switch radiant heater on.
The LEDs "infrared rods (control)" and "infrared rods
(feedback)" on the WT Relay PCB are flashing.
• DrägerService Mode: Select "Mode d18:
Testing the Solid State Relay of the Radiant
Heater" and switch safety relay off.
The LED "safety relay (infrared rods)" on the
WT Relay PCB has gone off.
• If the LED "safety relay (infrared rods)" has not
gone off, replace the WT Power PCB or the
WT Controller PCB.
• DrägerService Mode: Select "Mode d19:
Switching the Radiant Heater On/Off" and
switch radiant heater on.
If in the DS Mode, test d19, the radiant heater
feedback signal "Heater on" is displayed, the
WT Relay PCB is defective. Replace the
WT Relay PCB, see "Replacing the WT Relay PCB".
• If the LED "infrared rods (feedback)" has gone
off, replace the WT Power PCB or the
WT Controller PCB.
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
• If the LED "infrared rods (feedback)" has come
on, replace the WT Relay PCB, see "Replacing
the WT Relay PCB".
6132.300 Babytherm 8004/Babytherm 8010
08/99
Error List
Page 16
Page 17
Dräger Medizintechnik
Error
Cause
Corrective Measure
34
The radiant heater cannot be
switched off. The safety relay
(K4) of the radiant heater, the
Triac control, the Triac, the
feedback signal of the radiant
heater, or the WT Relay PCB is
faulty.
Check the safety relay (K4) as follows:
• Open the control unit, see Repair Instructions:
"Opening the Control Unit".
• DrägerService Mode: Select "Mode d18:
Testing the Solid State Relay of the Radiant
Heater" and switch safety relay on.
The LED "safety relay (infrared rods)" on the
WT Relay PCB has come on.
• DrägerService Mode: Select "Mode d19:
Switching the Radiant Heater On/Off" and
switch radiant heater on.
The LEDs "infrared rods (control)" and "infrared rods
(feedback)" on the WT Relay PCB are flashing.
• DrägerService Mode: Select "Mode d18:
Testing the Solid State Relay of the Radiant
Heater" and switch safety relay off.
The LED "safety relay (infrared rods)" on the
WT Relay PCB has gone off.
• If the LED "safety relay (infrared rods)" has not
gone off, replace the WT Power PCB or the
WT Controller PCB.
• DrägerService Mode: Select "Mode d19:
Switching the Radiant Heater On/Off" and
switch radiant heater on.
If in the DS Mode, test d19, the radiant heater
feedback signal "Heater on" is displayed, the
WT Relay PCB is defective. Replace the
WT Relay PCB, see "Replacing the WT Relay PCB".
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
• If the LED "infrared rods (feedback)" has come
on, replace the WT Relay PCB, see "Replacing
the WT Relay PCB".
• If the LED "infrared rods (feedback)" has gone
off, replace the WT Power PCB or the
WT Controller PCB.
The radiant heater feedback
signal on the
WT Controller PCB is faulty.
6132.300 Babytherm 8004/Babytherm 8010
08/99
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
Error List
Page 17
Page 18
Dräger Medizintechnik
Error
Cause
Corrective Measure
35
The radiant heater has not
been switched on or cannot be
switched on.
The fuse (F1) on the
WT Relay PCB is defective.
The safety relay (K4), the Triac
control, the Triac, the feedback
signal of the radiant heater, or
the WT Relay PCB is faulty.
• Check the fuse (F1), which located on the rear
panel of the control unit, and replace it, if
necessary.
Check the safety relay (K4) as follows:
• Open the control unit, see Repair Instructions:
"Opening the Control Unit".
• DrägerService Mode: Select "Mode d18:
Testing the Solid State Relay of the Radiant
Heater" and switch safety relay on.
The LED "safety relay (infrared rods)" on the
WT Relay PCB has come on.
• DrägerService Mode: Select "Mode d19:
Switching the Radiant Heater On/Off" and
switch radiant heater on.
The LEDs "infrared rods (control)" and "infrared rods
(feedback)" on the WT Relay PCB are flashing.
• If the LED "infrared rods (feedback)" does not
flash, replace the WT Relay PCB, see Repair
Instructions: "Replacing the WT Relay PCB".
• If the LEDs "infrared rods (feedback)" and
"infrared rods (feedback" do not flash, replace
the WT Power PCB or the WT Controller PCB.
The WT Controller PCB is
defective.
• Check the WT Controller PCB using the
Repair Instructions: "Checking the
WT Controller PCB".
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
• Replace the WT Power PCB, see Repair
Instructions: "Replacing the WT Power PCB".
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
The WT Power PCB is
defective.
6132.300 Babytherm 8004/Babytherm 8010
08/99
Error List
Page 18
Page 19
Dräger Medizintechnik
Error
Cause
Corrective Measure
40
Deviations between write and
read data have occurred.
Text display is faulty.
• Check the text display using the DrägerService
Mode "Mode c08: Adjusting the Contrast of the
Text Display".
• Replace the text display, see Repair instructions
"Replacing the Text Display".
The WT Controller PCB is
defective.
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
41
Software error (text is too long)
• Inform the "pediatrics department" MT-DS-TS.
42
Software error (wrong
character set)
• Inform the "pediatrics department" MT-DS-TS.
43
Software error (unknown
character)
• Inform the "pediatrics department" MT-DS-TS.
44
Software error (error while
displaying text)
• Inform the "pediatrics department" MT-DS-TS.
50
The keypad and display
controller (D35) on the
WT Front PCB is faulty.
51
The WT Front PCB is
defective.
• Replace the WT Front PCB, see Repair
Instructions "Replacing the WT Front PCB".
The WT Controller PCB is
defective.
• Replace the WT Controller PCB, see Repair
Instructions "Replacing the WT Controller
PCB".
Wrong key detected.
The WT Front PCB is
defective.
• Check the WT Front PCB, see DrägerService
Mode: "Mode c05: Testing the Keyboard".
• Replace the WT Front PCB or the membrane
keypad, see Repair Instructions: "Replacing the
WT Front PCB".
• Remove external interference.
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
External interference.
6132.300 Babytherm 8004/Babytherm 8010
08/99
Error List
Page 19
Page 20
Dräger Medizintechnik
Error
Cause
Corrective Measure
53
The service jumper on the
WT Controller PCB is in the
wrong position.
• Place service jumper in the correct position (pin
2-3), see the following figure.
X12
1
2
3
X1
54
The WT Controller PCB is
defective.
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
The "worklight" key is stuck or
defective.
• Check key in the DrägerService Mode: "Mode
c05: Testing the Keyboard" .
• Replace the membrane keypad, if necessary.
55
The WT Front PCB is
defective.
• Replace the WT Front PCB, see Repair
Instructions "Replacing the WT Front PCB".
The "nightlight" key is stuck or
defective.
• Check key in the DrägerService Mode: "Mode
c05: Testing the Keyboard" .
• Replace the membrane keypad, if necessary.
56
The WT Front PCB is
defective.
• Replace the WT Front PCB, see Repair
Instructions "Replacing the WT Front PCB".
The "phototherapy" key is stuck
or defective.
• Check key in the DrägerService Mode: "Mode
c05: Testing the Keyboard" .
• Replace the membrane keypad, if necessary.
57
The WT Front PCB is
defective.
• Replace the WT Front PCB, see Repair
Instructions "Replacing the WT Front PCB".
The "Check" key is stuck or
defective.
• Check key in the DrägerService Mode: "Mode
c05: Testing the Keyboard" .
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
• Replace the membrane keypad, if necessary.
58
The WT Front PCB is
defective.
• Replace the WT Front PCB, see Repair
Instructions "Replacing the WT Front PCB".
The "alarm stop" key is stuck or
defective.
• Check key in the DrägerService Mode: "Mode
c05: Testing the Keyboard" .
• Replace the membrane keypad, if necessary.
6132.300 Babytherm 8004/Babytherm 8010
08/99
Error List
Page 20
Page 21
Dräger Medizintechnik
Error
59
60
61
Cause
Corrective Measure
The WT Front PCB is
defective.
• Replace the WT Front PCB, see Repair
Instructions "Replacing the WT Front PCB".
The "plus temp. mattress
heater" key is stuck or
defective.
• Check key in the DrägerService Mode: "Mode
c05: Testing the Keyboard" .
The WT Front PCB is
defective.
• Replace the WT Front PCB, see Repair
Instructions "Replacing the WT Front PCB".
The "minus temp. mattress
heater" key is stuck or
defective.
• Check key in the DrägerService Mode: "Mode
c05: Testing the Keyboard" .
The WT Front PCB is
defective.
• Replace the WT Front PCB, see Repair
Instructions "Replacing the WT Front PCB".
The "plus skin temperature" key
is stuck or defective.
• Check key in the DrägerService Mode: "Mode
c05: Testing the Keyboard" .
• Replace the membrane keypad, if necessary.
• Replace the membrane keypad, if necessary.
• Replace the membrane keypad, if necessary.
62
The WT Front PCB is
defective.
• Replace the WT Front PCB, see Repair
Instructions "Replacing the WT Front PCB".
The "minus skin temperature"
key is stuck or defective.
• Check key in the DrägerService Mode: "Mode
c05: Testing the Keyboard" .
• Replace the membrane keypad, if necessary.
63
The WT Front PCB is
defective.
• Replace the WT Front PCB, see Repair
Instructions "Replacing the WT Front PCB".
The "plus radiant heater" key is
stuck or defective.
• Check key in the DrägerService Mode: "Mode
c05: Testing the Keyboard" .
• Replace the membrane keypad, if necessary.
64
The WT Front PCB is
defective.
• Replace the WT Front PCB, see Repair
Instructions "Replacing the WT Front PCB".
The "minus radiant heater" key
is stuck or defective.
• Check key in the DrägerService Mode: "Mode
c05: Testing the Keyboard" .
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
• Replace the membrane keypad, if necessary.
The WT Front PCB is
defective.
6132.300 Babytherm 8004/Babytherm 8010
• Replace the WT Front PCB, see Repair
Instructions "Replacing the WT Front PCB".
08/99
Error List
Page 21
Page 22
Dräger Medizintechnik
Error
Cause
Corrective Measure
65
The "skin/man selection" key is
stuck or defective.
• Check key in the DrägerService Mode: "Mode
c05: Testing the Keyboard" .
• Replace the membrane keypad, if necessary.
66
The WT Front PCB is
defective.
• Replace the WT Front PCB, see Repair
Instructions "Replacing the WT Front PCB".
The "OK" key is stuck or
defective.
• Check key in the DrägerService Mode: "Mode
c05: Testing the Keyboard" .
• Replace the membrane keypad, if necessary.
67
The WT Front PCB is
defective.
• Replace the WT Front PCB, see Repair
Instructions "Replacing the WT Front PCB".
The "radiant heater on" key is
stuck or defective.
• Check key in the DrägerService Mode: "Mode
c05: Testing the Keyboard" .
• Replace the membrane keypad, if necessary.
68
-- not applicable --
69
-- not applicable --
70
The mattress heater is not
switched on.
• Replace the WT Front PCB, see Repair
Instructions "Replacing the WT Front PCB".
The fuse "F11" (24 VAC) is
defective.
• Check fuse "F11"; if necessary, replace fuse on
WT Power PCB.
The WT Controller PCB is
defective.
• Select "Mode d14: Switching the Mattress
Heater On/Off (Babytherm 8010)" and switch
mattress heater on.
• If the control and feedback signal of the
mattress heater is present in the DrägerService
Mode, replace the WT Controller PCB, see
Repair Instructions: "Replacing the WT
Controller PCB".
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
The WT Front PCB is
defective.
6132.300 Babytherm 8004/Babytherm 8010
08/99
Error List
Page 22
Page 23
Dräger Medizintechnik
Error
Cause
Corrective Measure
• If the control and feedback signal of the
mattress heater is not present in the
DrägerService Mode, check the mattress
heater using the Repair Instructions: "Checking
the Mattress Control Using Uniboard 40
(Babytherm 8010)", if necessary, replace the
WT Power PCB, see Repair Instructions
"Replacing the WT Power PCB".
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
The WT Power PCB, the cable
connection to the mattress
heater, or hat mattress heater is
defective.
6132.300 Babytherm 8004/Babytherm 8010
08/99
Error List
Page 23
Page 24
Dräger Medizintechnik
Error
Cause
71
The radiant heater is not
switched on.
Corrective Measure
The fuse "F1" is defective.
• Check the fuse "F1", which is located on the
rear panel of the control unit, and replace it, if
necessary.
The WT Relay PCB or the
cable connection to the radiant
heater is defective.
Check the safety relay (K4) as follows:
• Open the control unit, see Repair Instructions:
"Opening the Control Unit".
• DrägerService Mode: Select "Mode d18:
Testing the Solid State Relay of the Radiant
Heater" and switch safety relay on.
The LED "safety relay (infrared rods)" on the
WT Relay PCB has come on.
• DrägerService Mode: Select "Mode d19:
Switching the Radiant Heater On/Off" and
switch radiant heater on.
The LEDs "infrared rods (control)" and "infrared rods
(feedback)" on the WT Relay PCB are flashing.
• If the LED "infrared rods (feedback)" does not
flash, check the infrared rods using the Repair
Instructions, see "Checking the Infrared Rods",
and replace the infrared rods, if necessary.
• If the infrared rods are OK, replace the
WT Relay PCB, see Repair Instructions:
"Replacing the WT Relay PCB".
The WT Controller PCB is
defective.
• Replace the WT Controller PCB, see Repair
Instructions: "Replacing the WT Controller
PCB".
The WT Power PCB is
defective.
• Replace the WT Power PCB, see Repair
Instructions: "Replacing the WT Power PCB".
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
• If the LEDs "infrared rods (feedback)" and
"infrared rods (feedback)" do not flash, replace
the WT Power PCB or the WT Controller PCB.
6132.300 Babytherm 8004/Babytherm 8010
08/99
Error List
Page 24
Page 25
Dräger Medizintechnik
Error
Cause
Corrective Measure
80
The mattress temperature value
is too low.
The temperature sensor 1 (1st
NTC) of the mattress heater or
the cable connection from the
temperature sensors to the
WT Sensor PCB is defective.
• Replace temperature sensor 1.
The WT Sensor PCB is
defective.
• Check the WT Sensor PCB using the
DrägerService Mode: "Mode d03: Testing the
Mattress Temperature Channel 1 (Babytherm
8010)".
• Replace the WT Sensor PCB, see Repair
Instructions: "Replacing the WT Sensor PCB".
81
The mattress temperature value
is too low.
The temperature sensor 1 (2nd
NTC) of the mattress heater or
the cable connection from the
temperature sensors to the
WT Sensor PCB is defective.
• Replace temperature sensor 1.
The WT Sensor PCB is
defective.
• Check the WT Sensor PCB using the
DrägerService Mode: "Mode d04: Testing the
Mattress Temperature Channel 2 (Babytherm
8010)".
For internal use only. Copyright reserved.
GBR6132300FL1.fm 10.09.99
• Replace the WT Sensor PCB, see Repair
Instructions: "Replacing the WT Sensor PCB".
6132.300 Babytherm 8004/Babytherm 8010
08/99
Error List
Page 25