Valve Coil Test - Invacare Perfecto2 IRC5PO2AW Service Manual

Clamp off the 1/8-inch oxygen sensor tubing A between the oxygen sensor and the product tank regulator.
8.
WARNING!
Risk of Injury or Damage
To avoid damage to the tubing and injury from an oxygen sensor failure:
– Do not cut oxygen sensor tubing when clamping the oxygen sensor tubing.
9. Within 30 minutes, and the front red panel light will illuminate with a continuous audible alarm. The compressor will shut down with the alarm.
LABEL SYMBOL
8.7 P. E. Valve Coil Test
P. E. Valve Coil - Alarm sequence occurs when the P. E. Valve Coil, connection or P. C. Board Circuitry has failed.
If any alarm fails to perform to specification, contact Invacare Technical Service.
If problems arise during test, contact Invacare Technical Service for further assistance.
RECTANGULAR PE VALVE
A
The wires A are not shown in the view for the rectangular PE
valve, only the location of the wire connection .
1. Turn power Off (O) and unplug the unit.
2. Remove cabinet. Refer to 6.1 Removing Cabinet, page 17.
3. Plug in unit.
4. Turn the concentrator On (I).
With the unit running and flow set at approximately 5 L/min., remove one wire A from the P. E. valve coil B. The P. E. valve coil alarm
5.
should activate within 10 seconds.
6. Reinstall cabinet. Refer to 6.1 Removing Cabinet, page 17 and reverse all steps.
Use the chart in 5.7 Preventive Maintenance Checklist, page 16to record date and number of hours when preventive maintenance was performed
on the concentrator or any repairs made.
1154245-F-02
STATUS
SYSTEM OKAY
O over 85%
2
O Between 73% to 85%
2
SYSTEM FAILURE
O Below 73%
2
INDICATOR LIGHTS
GREEN Indicator Light
YELLOW Indicator light
1. YELLOW Solid
2. YELLOW Flashing Sensor Failure
Call a qualified technician.
RED Indicator light
Continuous Audible Alarm Sieve-
GARD™Compressor Shutdown
Call a qualified technician
CIRCULAR PE VALVE
Testing
45