Service Manual
178 Pages
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TM
Service Manual for TCM 4 Series TM
TCM4 Series Service Manual
1. Introduction
1. Introduction Overview Introduction
This chapter gives an introduction to the servicing of the monitor together with important information for understanding the procedures and requirements.
Contents
This chapter contains the following topics.
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Disclaimer ...
1-2
Five Basic Hardware Versions...
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Service Policy ...
1-6
Test Equipment and Tools ...
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1. Introduction
TCM4 Series Service Manual
Disclaimer System Performance
The procedures described in this manual must be observed in order to ensure proper system performance, and to avoid hazards. Radiometer cannot provide or verify system performance characteristics if the system is not installed, used and maintained in accordance with Radiometer procedures or if accessories not meeting the specifications provided by Radiometer are used. Radiometer warrants that the data media on which the software included in the system is furnished is free from defects in material and workmanship under normal use for three (3) months from the date of delivery as evidenced by a copy of invoice or receipt.
Third-party Software and Trademarks
The TCM4/40/400 monitoring systems comprise the Microsoft® Windows® CE 4.2 program or the Microsoft® Windows® CE 5.0 program. By using the system, you accept the terms of the Software License Agreement(s) of the provider(s) of the above software as shown in the End User License Agreement(s) included in this manual. If you cannot accept the terms of the Software License Agreement(s), you should not use the system, but immediately contact your provider for a return of the system and a refund of the purchase price. Microsoft® and Windows® are trademarks of Microsoft Corporation.
Warranties and Radiometer makes no warranties, express or implied, other than expressly stated. Disclaimer Any warranties expressly stated in this document are conditional upon the system being installed, used and maintained in accordance with Radiometer procedures, including that only accessories meeting the specifications provided by Radiometer are used. Radiometer disclaims any liability for system performance if the system is not installed, used and maintained in accordance with Radiometer procedures or if accessories not meeting the specifications provided by Radiometer are used. Further, Radiometer disclaims any liability for loss of data and direct, consequential or other damages, including loss of profit or loss of business, whether such claim for damages is based upon contract, negligence or tort (including strict liability), and even if Radiometer has knowledge of the possibility of the potential damage or loss.
Confidentiality
The contents of this document shall not be reproduced or communicated to any third party without the prior written consent of Radiometer. Continued on next page
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TCM4 Series Service Manual
1. Introduction
Disclaimer, Continued Changes
This document is subject to change without notice and you are urged to contact Radiometer to verify whether the document has been changed. While every effort is made to ensure the correctness of the information provided in this document as changed from time to time, Radiometer disclaims any liability for errors and omissions.
Radiometer, the Radiometer logo, ABL, AQT, TCM, RADIANCE, PICO and CLINITUBES are trademarks of Radiometer Medical ApS. © 2008 Radiometer Medical ApS. All rights reserved.
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1. Introduction
TCM4 Series Service Manual
Five Basic Hardware Versions Introduction
The TCM4 Series monitors exist in five different hardware configurations as detailed below and throughout the Service Manual. The introduction of new hardware versions originates both from introduction of new features and discontinuation of various hardware components. As will appear the differences involves both parts compatibility and procedures.
Original Version Concerns TCM400 monitors with serial numbers starting with: “000-152”. These monitors are configured as TCM400s measuring tcpO2 at 1 though 6 sites. 000-152
Second Version 000-154
Concerns TCM4 Series monitors with serial numbers starting with: “000-154”. These monitors may be configured via the software (and installation of optional modules) either as: • TCM400 measuring tcpO2 at 1 though 6 sites, • TCM4 measuring both tcpO2 and tcpCO2 at one site. In addition to the original version these monitors include an ON/OFF switch and a battery charge indicator on the front and they may operate on a battery backup during transportation and power breaks (option). Further the TCM4 is prepared (hardware) for connection to a hospital information system or computer via an Ethernet port.
Third Version 391-876
Concerns TCM4 Series monitors with serial numbers starting with: “391-876”. These monitors may be configured via the software (and installation of optional modules) either as: • TCM400 measuring tcpO2 at 1 though 6 sites, • TCM40 measuring • both tcpO2 and tcpCO2 at one site, and • spO2 and pulse at one site, • TCM4 measuring both tcpO2 and tcpCO2 at one site.
Fourth Version 391-878
Concerns TCM4 Series monitors with serial numbers starting with: “391-878”. Basically these monitors may be configured in the same way as for the “Third Version” above. This hardware version is equipped with a USB interface for connection of printers. Continued on next page
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TCM4 Series Service Manual
1. Introduction
Five Basic Hardware Versions, Continued Fifth Version 391-880
Concerns TCM4 Series monitors with serial numbers starting with: “391-880”. Basically these monitors may be configured in the same way as for the “Fourth Version” above. This hardware version is equipped with a more powerful PC, a new 20-pole connector for serial communication and analog output and USB2.0 ports.
Compatibility
Most electronics are different in the four hardware versions. Most PCBs used in each of the four versions are not compatible with the ones used in the other versions. This is due to changes in the electrical interfaces between the various PCBs. For details, please refer to the chapter “Spare Parts”.
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1. Introduction
TCM4 Series Service Manual
Service Policy Introduction
This section outlines the policies and procedures, which must be followed when servicing TCM4 Series monitors. The service policy has been outlined to obtain a maximum degree of reliability and a minimum of repair time. This is obtained by demanding that the advanced and time-consuming troubleshooting, repair, and testing is carried out at the factory. Further, a combination of troubleshooting procedures in the Service Manual, and a high degree of modulization facilitate quick localization of faults in the monitor. By using the test equipment, procedures and spare parts listed in this Service Manual the continued reliability of the product is ensured. Exceptions from the service policy are not allowed unless Radiometer Medical ApS beforehand has given special permission or instructions in writing.
Non-Original Parts
Spare Parts and Accessories in General In order to ensure the reliability, durability, patient safety, and operation in accordance with technical specifications only original Radiometer Medical ApS parts, or parts approved by Radiometer Medical ApS must be used. This concerns both spare parts and accessories.
Electrostatic Discharge Protection
In order to ensure the reliability and durability of the monitor, ESD protection precautions must always be taken when handling or exposing ESD sensitive parts. Parts such as printed circuit boards may be damaged if handled incorrectly during storage and service. The damage is not visible, and the damaged parts may not fail immediately but several months later.
Repair Level
The repair level outlines the extent to which it is allowed to dismantle a monitor in the process of troubleshooting and repair. This level is limited for several reasons such as: the need for specialized test equipment, special environmental requirements, patient safety etc., and is optimized in relation to cost of parts, time of repair etc. The repair level is indicated in the sections “Dismantling and Replacements” and "Spare Parts List". Continued on next page
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1. Introduction
Service Policy, Continued Repair Level (continued)
Electronics Repair of the electronics is not allowed in the field. The reason for this is that most of the electronics are based on the surface mounted technology (SMT) which involves a high component density and thereby a high complexity. Repair of this kind of printed circuit boards (PCB) requires advanced troubleshooting, repair and test facilities, which are only available at the factory. Larger PCBs are defined as modules which may be returned to the factory for replacement under the trade-in arrangement for modules - these PCBs are marked with “*” next to the description in the spare parts list. As repair of electronics is not allowed in the field, detailed circuit diagrams are not included in the Service Manual.
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1. Introduction
TCM4 Series Service Manual
Test Equipment and Tools Introduction
To carry out the procedures for servicing the monitor a number of test equipment, tools, and software media are required.
Tools
The following test equipment and tools are required for servicing the monitor: Parts marked with “N/A” in the “Part #” column are to be purchased locally. Part #
Description
Purpose
901-705
TC-Electrode Simulator
Check of Electrode Module
617-854
Electrode Test Cable
Check of Electrode Module
920-743
SpO2 Module Tester
Check of SpO2 Module
617-945
Sensor cable for 920-743
Check of SpO2 Module
886-479
Module release tool
For releasing the optional modules
N/A
Screwdriver, 3.0 mm Pozidrive
Various
N/A
Screwdriver, 4.0 mm Pozidrive
Various
N/A
5 mm box wrench
Various
N/A
2 mm Umbraco
Various
N/A
2.5 mm Umbraco
Various
N/A
PS/2 alphanumerical keyboard
Facilitates software upgrade of Electrode Module and setup of BIOS
N/A
Personal Computer
Facilitates software upgrade of Electrode Module and Main CPU PCB (391-876 onwards)
636-473
Programming adapter, cables, and software
Facilitates software upgrade of Electrode Module
N/A
Crossed Ethernet cable (patch)
Software upgrade of Main CPU PCB (391-876 onwards)
902-028
Loop-back Plug
Check of the COM port
847-398
CAL2 Gas Adaptor
Second point calibration of CO2 (TCM4/40 only) Continued on next page
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1. Introduction
Test Equipment and Tools, Continued Software Media The following table lists the software media available for the monitors: Part #
Description
Software for
TCM Monitor
914-472
Compact Flash Card with program, V2.10, English
Main CPU PCB
000-152: TCM400
914-480
Compact Flash Card with program, V2.10, German
Main CPU PCB
000-152: TCM400
914-473
Compact Flash Card with program, V2.10, French
Main CPU PCB
000-152: TCM400
914-476
Compact Flash Card with program, V2.10, Italian
Main CPU PCB
000-152: TCM400
914-478
Compact Flash Card with program, V2.10, Spanish
Main CPU PCB
000-152: TCM400
914-477
Compact Flash Card with program, V2.10, Portugese
Main CPU PCB
000-152: TCM400
914-471
Compact Flash Card with program, V2.10, Danish
Main CPU PCB
000-152: TCM400
914-479
Compact Flash Card with program, V2.10, Swedish
Main CPU PCB
000-152: TCM400
914-475
Compact Flash Card with program, V2.10, Dutch
Main CPU PCB
000-152: TCM400
914-474
Compact Flash Card with program, V2.10, Greek
Main CPU PCB
000-152: TCM400
914-674
Compact Flash Card with program, TCM4 V1.12, TCM400 V2.13. All implemented languages included
Main CPU PCB
000-154: TCM4 + TCM400
Continued on next page
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1. Introduction
TCM4 Series Service Manual
Test Equipment and Tools, Continued Software Media (continued)
Part #
Software for
TCM Monitor
914-697
CD-ROM with program, TCM4/40 V2.13 and TCM400 V3.01. All languages
Main CPU PCB
391-876: TCM400
914-698
Compact Flash Card with program, TCM4/40 V2.13 and TCM400 V3.01. All languages
Main CPU PCB
391-876: TCM400
914-967 *)
CD-ROM with program, TCM4/40 V2.14.5 and TCM400 V4.01. All languages
Main CPU PCB
391-878: All monitors
914-968 *)
Compact Flash Card with program, TCM4/40 V2.14.5 and TCM400 V4.01. All languages
Main CPU PCB
391-878: All monitors
914-953
CD-ROM with program, TCM4/40 V2.15.6 and TCM400 V4.20. All languages
Main CPU PCB
391-880: All monitors
914-952
Compact Flash Card with program, TCM4/40 V2.15.6 and TCM400 V4.20. All languages
Main CPU PCB
391-880: All monitors
914-564
CD-ROM with Electrode Electrode Module Module software V00.01.08 (tcpO2)
All HW versions: TCM400
914-619
CD-ROM with Combi Combi Module Module software V00.01.01 (tcpCO2 + tcpO2)
000-154: TCM4
CD-ROM with the TCM_FTP program, V1.02
391-876 onwards: All monitors
914-659 *)
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Description
Software upgrade of Main CPU
391-876 onwards: TCM4 + TCM40
May also be used with 391-876 monitors. However, for TCM400 this upgrade requires a new Operators’ Manual to reflect the new facilities.
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TCM4 Series Service Manual
2. Troubleshooting
2. Troubleshooting Overview Introduction
This chapter provides the various error indications and suggestions for troubleshooting the system and remedy the error. This chapter has been divided into two sections, one for TCM400 and one for TCM4/TCM40.
Contents
This chapter contains the following topics. TCM400 ...
2-2
TCM4/TCM40 ... 2-13
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2. Troubleshooting
TCM4 Series Service Manual
TCM400 Overview Introduction
This section provides the various error indications and suggestions for troubleshooting the TCM400 and remedy the error.
Two Versions
Basically the software for the TCM400 of the five different hardware versions of the Basic Unit, 000-152, 000-154, 391-876, 391-878, and 391-880 is identical. Therefore, also the various messages are identical. However, for TCM400 of hardware versions 000-154 onwards, which may include a battery, there are a few additional messages relating to the condition of the battery. It is clearly indicated in the tables on the following pages which messages are not applicable for 000-152. Further, for software version V4.00 onwards the way data are handled internally has been changed. This adds a number of new messages to the troubleshooting.
Contents
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This section contains the following topics. Symptoms with no Message...
2-3
Operational and Status Messages...
2-5
Computer and Dialog Box Messages ...
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TCM4 Series Service Manual
2. Troubleshooting
Symptoms with no Message Introduction
This paragraph lists various symptoms, which do not result in a message on the TCM400. For each symptom an interpretation together with user and service actions for remedying the symptom are given.
Symptoms
The table below lists the symptoms that may appear together with interpretation and corrective actions. Symptom
Interpretation
Measured values drift when electrode is measuring on cal gas (in vitro) or air
Insufficient removal of old electrolyte during membraning procedure Bubbles in electrode The electrode membrane has not been regularly changed
User Action
Service Action
Remembrane the None electrode Check electrode zero current and sensitivity
Defective electrode membrane (holes or scratches) Defective O-rings (one or both O-rings broken) Measured values drift constantly without any physiological cause when electrode mounted on patient (in vivo)
Improper attachment of Detach the None the electrode electrode and reapply correctly Improper attachment of the fixation ring Detach the fixation ring and An inappropriate reapply correctly measurement site has been selected Inadequate vasodilation
Measured values not stable or out of limits 20 minutes after application
Patient status unstable Inadequate vasodilation
Evaluate patient status
None
Remount the Improper attachment of electrode the electrode Continued on next page
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2. Troubleshooting
TCM4 Series Service Manual
Symptoms with no Message, Continued Symptoms (continued)
Symptom
Interpretation
Measured values change suddenly without any physiological cause
Artifact due to patient movements Air leakage under fixation ring Self-adhessive ring does not stick to the skin
User Action
Service Action
Recalibrate and None reapply electrode to the skin, possibly selecting a new measuring site
Noise appears on Interference by nearby the tension equipment readout
None Increase the distance from the interfering equipment
Monitor not operational
Check the connection
Check mains supply
Contact your Radiometer service technician
Check/replace the battery
Monitor defective Battery is exhausted (Not applicable for 000-152) Monitor not connected to mains
Check/replace Power Supply Replace Main CPU PCB
2-4
Battery Low (battery bar and “High”and “Low” are flashing)
Battery level is low (Not applicable for 000-152)
Connect the monitor to the mains
None
Battery Low (battery bar and “High”and “Low” are flashing and a continuous alert sound is heard)
Battery level is critically low (Not applicable for 000-152)
Connect the monitor to the mains immediately
None
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TCM4 Series Service Manual
2. Troubleshooting
Operational and Status Messages Introduction
This paragraph lists all available error messages relating to the operation and status of the TCM400. For each message an interpretation together with user and service actions for remedying the errors are given.
Procedures
The table below lists the error messages that may appear together with interpretation and corrective actions. Message
Interpretation
Cal error Barometer
Barometer value invalid when collected at start of calibration
Cal error – Chamber
Cal error Drift
User Action Start a new calibration
Service Action Replace Main CPU PCB
If error reappears, contact your Radiometer service technician
Place a tcpO2 No electrode detected in the electrode in the calibration chamber chamber at start of or during calibration
Check Electrode Module
The electrode is rejected during the drift check
None
Start a new calibration
Replace if necessary
If the error reappears, remembrane the electrode, and start a new calibration If error still reappearsthe electrode is defective. Replace with a new one Continued on next page
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2. Troubleshooting
TCM4 Series Service Manual
Operational and Status Messages, Continued Procedures (continued)
Message Cal error Sensitivity
Interpretation The electrode sensitivity is outside the specifications
User Action If the electrode has just been remembraned, start a new calibration. Otherwise remembrane the electrode and start a new calibration
Service Action Check Electrode Module Replace if necessary
If the error reappears, the electrode is defective. Replace with a new one The selected electrode temperature cannot be reached (within three minutes after starting the calibration)
Calibrate the electrode
Check Electrode Module
If the error reappears, the electrode is defective. Replace with a new one
Replace if necessary
Calibration recommended (Below V4.00 only)
Four hours have passed since the last successful calibration
Continue monitoring, but be aware of the possible drift of the electrode, or perform a calibration
None.
Calibration required
The last calibration has been aborted
Perform a calibration
None
Cal error Temperature
Eight hours have passed since the last successful calibration Continued on next page
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TCM4 Series Service Manual
2. Troubleshooting
Operational and Status Messages, Continued Procedures (continued)
Message Heater Failure
Interpretation The electrode has been subject to excessive heating (power >500mW over >2 minutes) The measured power is out of the measuring range
Module Disappeared
No Electrode Connected
For unknown reasons, the communication between the monitor and the module has not been satisfactory
User Action Calibrate the electrode
Replace the Electrode Module
If the error reappears, the electrode is defective. Replace with a new one Turn the monitor off and on
Check Interface PCB
If the error reappears, try with another module
Check Main CPU PCB
If the error reappears on the new module, contact your Radiometer service technician
No electrode is Connect a detected in the functional tcpO2 calibration chamber electrode The electrode in the calibration chamber is not functioning
Out Of Range The measured pO2 value is outside the measuring range
Service Action
Replace the electrode on the patient
Replace, if necessary
Replace the electrode Replace the Electrode Module
Replace the Electrode Module
Recalibrate the electrode Continued on next page
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2. Troubleshooting
TCM4 Series Service Manual
Operational and Status Messages, Continued Procedures (continued)
Message
Interpretation
Temp. Error
Measured temperature is outside the measuring range The two electrode thermistors give different temperatures (>0.6°C apart)
User Action Calibrate the electrode
Service Action Replace the Electrode Module
If the error reappears, the electrode is defective. Replace with a new one
The selected electrode temperature cannot be reached (within three minutes) The electrode temperature is too high (> 45.6°C) Temp. Warning
2-8
The selected electrode temperature cannot be reached
Wait until it is reached
None
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TCM4 Series Service Manual
2. Troubleshooting
Computer and Dialog Box Messages Introduction
This paragraph lists all available error messages relating to the Main Computer that may appear during the operation of the monitor. For each message an interpretation together with user and service actions for remedying the errors are given.
Procedures
The table below lists the error messages that may appear together with interpretation and corrective actions. Message
Interpretation
Battery level is critically low. Data and setup changes cannot be saved on disk
There is less than 5 minutes running time left on the battery
User Action
Service Action
Connect monitor to the mains
None
No battery Battery not connected. Data and connected setup changes cannot be saved on disk
Attach a battery and connect the monitor to the mains
None
Cal. Gas Value Error
None
Replace Main CPU PCB
Changing date/time The date/time settings are changed backward in time backward in time results in loss of data. Only data from before the new time will be available
Press OK to accept the new settings.
None
Configuration files successfully removed (Not applicable for 000-152)
The configuration files were successfully removed via the service menu
None
Re-configure the monitor after switching off and on
Data from more than one patient cannot be selected into a view (V4.00 onwards only)
The user has tried to load sessions from different patient Ids into a view
Select only sessions linked to the same patient ID
None
Value stored in RAM memory corrupted
Press Cancel to abort
Continued on next page
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