Power Loss Alarm - Invacare Perfecto2 IRC5PO2AW Service Manual

Invacare® Perfecto₂™ Oxygen Concentrator
1. Turn power Off (O) and unplug the unit.
2. Remove cabinet. Refer to 6.1 Removing Cabinet, page 17.
3. Plug in unit.
4. Turn the concentrator On (I ).
5. Let concentrator run for 30 minutes.
WARNING!
Risk of Injury or Damage
To avoid injury or damage from misuse
– Apply small amount of leak test solution to fittings only. Avoid all other components.
– Carefully leak test for pressure leaks around sieve bed hoses at 4-way valve.
– DO NOT leak test 4-way valve body.
– DO NOT allow leak test solution to enter into 4-way valve and system.
6. With "leak-test" solution or equivalent soapy water, leak test the following:
The two sieve bed hose connection at the 4-way valve/manifold assembly A.
a.
Leak test the hose fitting on center port of 4-way valve/manifold assembly B.
b.
Hose connections to top and bottom fittings of sieve beds C.
c.
d. P. E. valve hose connections
PE valve location varies depending on date of manufacture.
Hose fittings at product tank cap D and check valves EF.
e.
Both fittings on heat exchanger assembly F.
f.
7. If no leaks are found, proceed to STEP 11. If leaks are found, proceed to STEP 8.
8. Turn power Off (O) and unplug the unit.
9. Replace any tubing that appears cracked, worn, etc.
10. Repeat STEPS 3-7.
11. Re-install cabinet. Refer to 6.1 Removing Cabinet, page 17 and reverse all steps.

8.2 Power Loss Alarm

DANGER!
Risk of Death, Injury, or Damage
To prevent electrical shock
– ALWAYS disconnect concentrator from electrical outlet before servicing.
– Check alarms periodically for proper function.
1. Turn power Off (O) and unplug the unit.
2. Remove cabinet. Refer to 6.1 Removing Cabinet, page 17.
3. Plug in unit.
4. Turn the concentrator On (I).
5. With the unit running, remove the line cord from power source.
The power loss alarm mode should sound the audible alarm IMMEDIATELY or within 30 seconds.
With the unit unplugged and inoperable for a short period of time, the battery free circuit will be drained. If power failure alarm does
not sound with unit unplugged and power switch On (I), the battery free circuit is drained. It will recharge when unit is plugged in
and switched On (I).
42 1154245-F-02