Invacare Platinum IRC5LXO2AW Service Manual page 22

SECTION 4—TROUBLESHOOTING
SYMPTOM
Unit Not Operating Alarm: On or
Off
Internal Status Indicators:
RED: Two Flashes
GREEN: Four Flashes Or
RED: Two Flashes GREEN: Five
Flashes
Low Concentration
NOTE: Check for O purity using a
2
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:
RED: On
YELLOW: Off
GREEN: Off
For SensO units, the RED indicator
2
will signal extremely low purity and
will be accompanied by a continuous
audible alarm and a system
shutdown. Repairs are required.
Potential Obstruction Alert does
not activate on flows less than 0.5 L/
min.
Platinum Oxygen
®
PROBABLE CAUSE
P.C. board Failure
Cabinet filters dirty
Compressor inlet filter dirty
Compressor:
a. Defective
2
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
System leak
Defective check valves
Replace P.C. board.Refer to Replacing P.C. Board
on page 54.
Clean or replace. Refer to Cleaning the Cabinet
Filter on page 26, Replacing the Outlet HEPA Filter
on page 27, and Replacing the Compressor Inlet
Filter on page 28.
Replace inlet filter. Refer to Replacing the
Compressor Inlet Filter on page 28.
a. Replace compressor. Refer to Compressor
on page 35.
b. Replace capacitor. Refer to Replacing
Capacitor on page 37.
c. Replace compressor. Refer to Compressor
on page 35.
d. Replace the compressor. Refer to
Compressor on page 35.
e. Replace compressor. Refer to Compressor
on page 35.
f. Replace fittings or tubing.
g. Replace compressor. Refer to Compressor
on page 35.
) 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 47.
Replace. Refer to Replacing Regulator on page 44.
Replace. Refer to Inspecting/Replacing the Throttle
Muffler on page 31.
a. Leads to fan disconnected. Reconnect.
b. Replace.Refer to Replacing Cooling Fan on
page 52.
Replace. Refer to Pressure Testing on page 80.
Replace.
Repair leak in product tank, regulator,
tubing, fittings, or flow meter.
Replace check valves. Refer to Replacing Check
Valves on page 42.
22
SOLUTION
Part No 1118396