Invacare Platinum 5 Service Manual page 21

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
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
2
ONLY:
RED: On
YELLOW: Off
GREEN: Off
For SensO units, the
2
RED indicator will signal
extremely low purity and
will be accompanied by a
continuous audible alarm
and a system shutdown.
Repairs are required.
Part No 1110538
PROBABLE CAUSE
P.C. board Failure.
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 muffler dirty or plugged.
Fan:
a. Not operating. Unit overheating.
b. Faulty fan.
Sieve beds defective.
Tubing kinked or blocked.
SECTION 4—TROUBLESHOOTING
Replace P.C. board.Refer to Replacing P.C.
Board on page 66.
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
Replacing Compressor Assembly on
page 33.
b. Replace capacitor. Refer to Replacing
Capacitor on page 35.
c. Replace compressor.
d. Rebuild top end of compressor. Refer
to Rebuilding the Thomas Model
2650 and 2660 Compressor -
Platinum 5 and 10 Models on page 37
or Platinum XL Model - Rebuilding
the Gast Compressor on page 45.
e. Replace compressor.
f. Replace fittings or tubing.
g. Replace relief valve.
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 61.
Replace. Refer to Replacing Regulator on
page 58.
Replace. Refer to Replacing the Exhaust
Canister/Exhaust Muffler (Platinum 5
Models Manufactured before 7/24/03) on
page 29.
a. Leads to fan disconnected.
Reconnect.
b. Replace.Refer to Replacing Cooling
Fan on page 64.
Replace. Refer to Installing the Sieve Bed
Pressure Tap-In Kit Installation and
Checking Bed Pressure on page 96.
Repair or replace.
21
SOLUTION
Platinum™Series