Invacare Perfecto2 V IRC5PO2V Service Manual page 21

SYMPTOM
Unit Overheats:
Oxygen Purity:
Good
Internal Status Indicators:
Control Panel Indicators:
RED: Off
YELLOW: On
GREEN: On
After 30 minutes of
run time, unit operates
normally, oxygen purity
within normal range.
GREEN or YELLOW panel
indicator should illuminate.
Unit Not Operating,
Internal Status Indicators:
RED: Off
GREEN: Off
Control Panel Indicators:
RED: Off
YELLOW: Off
GREEN: Off
Power Switch ON.
Continuous audible alarm.
Part No 1164934
PROBABLE CAUSE
Base exhaust vent plugged or
restricted.
Cabinet filters dirty or blocked.
Fan:
a. Leads to fan disconnected.
b. Defective fan.
c. Fan installed upside down.
Heat exchanger:
a. Dirty or plugged.
b. Damaged.
Compressor:
a. Defective.
b. Faulty capacitor.
c. Bad motor windings.
d. Worn seals.
e. Bad bearings.
Line voltage excessive (surge).
P.C. board defective.
Transformer assembly:
a. Assembly connector
disconnected.
b. Faulty transformer assembly.
21
SECTION 4—TROUBLESHOOTING
SOLUTION
Place unit at least 3-inches from any wall.
DO NOT place unit on pile or shag car-
peting that may restrict air flow.
Clean or replace. Refer to Cleaning the
Cabinet Filter on page 24.
a. Reconnect leads.
b. Replace fan. Refer to Rebuilding the
GSE Model 280D2 Compressor on
page 34.
c. Install fan with air flow arrow pointing
down.
a. Clean heat exchanger.
b. Replace heat exchanger. Refer to
Replacing Heat Exchanger Assembly
on page 51.
a. Replace compressor. Refer to
Removing/Replacing Compressor
Assembly on page 31.
b. Replace capacitor. Refer to Replacing
Capacitor on page 33.
c. Replace compressor.
d. Replace compressor.
e. Replace compressor.
Have line voltage inspected by certified
electrician. A voltage regulator may be
required and is obtainable from your local
electric company.
Replace P.C. board. Refer to Replacing
P.C. Board on page 58. Unit may need
retiming after P.C. board replacement.
Refer to Timing on page 73.
a. Reattach connector.
b. Replace transformer assembly. Refer
to Replacing the Transformer on
page 61.
Perfecto V
™
2