CAIRE NewLife Elite, Technical Manual, Page: 42 / 49

MN240-1 Rev C
42
Problem Probable Cause Solution
Compressor relief valve releases
(popping sound).
Faulty electrical connection at
waste valve.
Faulty solenoid valve coil.
Refer to section 5.4.2 for
acceptable ohm rating
.
Faulty relief valve.
Faulty circuit board.
Contaminated sieve beds.
Repair electrical connection.
Replace valve coil.
Use of an ohmmeter can be used
to easily determine a faulty coil.
Replace relief valve or
compressor.
Replace circuit board.
Replace sieve beds.
Power failure light (
) and
intermittent audible alarm with
ON/OFF switch in the “ON”
position. Circuit breaker trips
repeatedly.
Faulty electrical connection.
Faulty capacitor.
Faulty circuit breaker.
Faulty circuit board.
Faulty compressor.
Repair electrical connection.
Replace capacitor.
Replace circuit breaker.
Replace circuit board.
Replace compressor.
Alarm does not sound.
Faulty electrical connection.
Faulty buzzer.
Faulty ON/OFF power switch.
Faulty circuit board.
Repair electrical connection.
Replace buzzer.
Replace ON/OFF power switch.
Replace circuit board.
Flowmeter fluctuates.
Leak.
Reduced air intake (suction).
Improperly set or faulty product
regulator.
Faulty flowmeter.
Worn compressor.
Faulty circuit board.
Faulty solenoid valve.
Leak test and repair leak.
Check compressor intake path for
obstruction. Clean/remove
obstruction.
Check regulator setting. Repair or
replace regulator.
Replace flowmeter.
Replace compressor.
Replace circuit board.
Repair or replace solenoid valve.
Cabinet fan does not turn.
Faulty electrical connections.
Faulty cabinet fan.
Check electrical connections.
Replace cabinet fan.