Respiratory Diagnostic Tips 1 Concentrator Alarms Modes May 2002

5/02

Respiratory Diagnostic Tips #1 Invacare Concentrator Alarm Modes For more technical information, see “The TECHNICAL Zone” @www.invacare.com CAUTION: Please read and understand all instructions or details carefully.

ALARM MODES 3LX, 5LX, & 5LXO2 (BEFORE S/N 97J0000)

3LX, 5LX, 5LXO2/O2T, & 6LXO2/O2T/H (AFTER S/N 97J0000)

INTERNAL LED ON P.C. BOARD

INTERNAL LED FLASHES ON P.C. BOARD

ALARM High Pressure

RED On

GREEN Off

Low Pressure

On

On

Short Beep, Long Pause

0

0

Main Power Loss

Time-Out (30 Seconds)

On

On

Continuous

1

1

Low Pressure Major Leak

Low O2

On

Off

Continuous

1

2

High Pressure No Switching

Continuous

1

3

Time-Out Failure Compressor

Continuous

1

4

Pilot Valve 1 Coil

Continuous

1

5

Pilot Valve 2 Coil

Continuous

2

1

73% Shutdown Low O2

Continuous

2

3

P.E. Valve Coil

Continuous

2

4

EPROM Failure on P.C. Board

Continuous

2

5

RAM Failure on P.C. Board

Continuous

3

1

Oxygen Sensor Failure on P.C. Board

Continuous

3

2

Mode “F” Auto Tune Failure

Continuous

3

3

Mode “O” Auto Tune Failure

All alarms have compressor shutdown, horn ON and IRC5LXO2 ONLY - RED Panel LED ON.

Sens O2 Alarm Thresholds O2 Purity Over 85% 73% to 85% Below 73%

LED Indicators

ALARM 3 Beeps at Start-up

RED GREEN 0 0 System OK

Green Yellow Red - Indicator light Continuous Alarm Sieve-GARD TM Compressor Shutdown

All alarms have compressor shutdown, horn ON and 5LXO2/5LXO2T, 6LXO2/6LXO2T/H ONLY - RED Panel LED ON.

Service & Parts, Invacare Corporation, Inc. 1 Invacare Way Elyria, Ohio 44035 Technical Service Hotline 1-800-832-4707 1