Invacare Platinum IRC5LXAW Service Manual page 21

SYMPTOM
Low Concentration
NOTE: Check for O
2
purity using a calibrated
Oxygen Analyzer at Test
Point 1 (Oxygen Outlet)
of the concentrator.
Internal Status Indicators:
RED: Two Flashes
GREEN: One Flash73%
Shutdown
Control Panel Indicators:
SensO ONLY:
2
RED: On
YELLOW: Off
GREEN: Off
For SensO units, the RED
2
indicator will signal
extremely low purity and
will be accompanied by a
continuous audible alarm
and a system shutdown.
Repairs are required.
Part No 1118396
PROBABLE CAUSE
Cabinet filters dirty.
Compressor inlet filter dirty.
Compressor:
a. Defective.
b. Faulty capacitor.
c. Bad motor windings.
d. Worn seals.
e. Bad bearings.
f. Leak at fittings or tubing.
g. Leaky or defective relief valve.
h. Insufficient voltage (outlet).
Heat exchanger:
a. Leak at tubing or body chamber.
b. Inspect tubing and heat exchanger.
Regulator cracked or leaking.
Exhaust/Throttle muffler dirty or plugged.
Fan:
a. Not operating. Unit overheating.
b. Faulty fan.
Sieve beds defective.
Tubing kinked.
SECTION 4—TROUBLESHOOTING
Clean or replace. Refer to Cleaning the
Cabinet Filter on page 27, Replacing the
Outlet HEPA Filter on page 28, and
Replacing the Compressor Inlet Filter on
page 30.
Replace inlet filter. Refer to Replacing the
Compressor Inlet Filter on page 30.
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. Rebuild top end of compressor. Refer
to Rebuilding the Thomas Model
2650 and 2660 Compressor on
page 39.
e. Replace compressor.Refer to
Compressor on page 36.
f. Replace fittings or tubing.
g. Replace compressor. Refer to
Compressor on page 36.
h. DO NOT use extension cords.
a. Replace or retighten.
b. Replace or retighten tubing. Replace
heat exchanger. Refer to Replacing
Heat Exchanger on page 56.
Replace. Refer to Replacing Regulator on
page 54.
Replace. Refer to Replacing the Exhaust
Canister/Exhaust Muffler (Platinum Models
Manufactured before 7/24/03) or Inspecting/
Replacing the Throttling Muffler (Platinum
Models Manufactured after 7/24/03).
a. Leads to fan disconnected.
Reconnect.
b. Replace.Refer to Replacing Cooling
Fan on page 61.
Replace. Refer to Installing the Sieve Bed
Pressure Tap-In Kit Installation and
Checking Bed Pressure on page 93.
Replace.
21
SOLUTION
Platinum™Oxygen