Invacare Platinum IRC5LXAW Service Manual page 24

SECTION 4—TROUBLESHOOTING
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.
Platinum™Oxygen
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.
Place unit at least 7.5 cm (3-inches) from
any wall. DO NOT place unit on pile or
shag carpeting that may restrict air flow.
Clean or replace. Refer to Cleaning the
Cabinet Filter on page 27.
a. Reconnect leads.
b. Replace fan. Refer to Rebuilding the
Thomas Model 2650 and 2660
Compressor on page 39.
c. Install fan with air flow arrow pointing
down.
a. Clean heat exchanger.
b. Replace heat exchanger. Refer to
Replacing Heat Exchanger on
page 56.
a. Replace compressor. Refer to
Replacing Compressor Assembly
(Models manufactured before July 24,
2003) on page 36.
b. Replace capacitor. Refer to Replacing
Capacitor on page 38.
c. Replace compressor. Refer to
Compressor on page 36
d. Replace compressor.Refer to
Compressor on page 36
e. Replace compressor.Refer to
Compressor on page 36
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 63. Unit may need retiming
after P.C. board replacement. Refer to
Timing on page 81.
24
SOLUTION
Part No 1118396