CAIRE NewLife Elite, Technical Manual, Page: 41 / 49

MN240-1 Rev C
41
6.3 Troubleshooting Chart
Problem Probably Cause Solution
Compressor does not run. Power
failure light (
) and
intermittent audible alarm.
No power to unit from electrical
outlet.
Unit circuit breaker tripped or
faulty.
Faulty electrical connections.
Faulty ON/OFF power switch.
Faulty circuit board.
Check or restore power to outlet.
Reset or replace circuit breaker.
Check electrical connections.
Replace ON/OFF power switch.
Replace circuit board
Compressor runs and shuts down
periodically.
Restricted air flow.
Unit overheating due to improper
location. Compressor thermally
cut off due to excessive heat.
Note: Unit will not restart until it
cools down
.
Faulty high temperature switch.
Faulty cabinet fan.
Remove obstruction.
Locate unit away from heating
source, providing adequate
ventilation on all sides.
Note: Do not run multiple units
next to each other.
Replace high temperature switch.
Replace cabinet fan.
Compressor does not start.
ON/OFF power switch is in the
ON position, intermittent alarm,
and cabinet fan turns.
Extreme cold start.
Faulty electrical connection for
the compressor.
Faulty capacitor.
Faulty high temperature switch.
Faulty circuit board.
Allow unit to reach room
temperature.
Check electrical connections for
compressor.
Replace capacitor.
Replace high temperature switch.
Replace circuit board.
Compressor runs with low O
2
concentration, general
malfunction light (
), and
intermittent audible alarm.
Leak.
Reduced air intake (suction).
Weak capacitor.
Faulty circuit board.
Weak compressor.
Restriction in exhaust muffler.
Faulty solenoid valve.
Faulty circuit board.
Contaminated sieve beds.
Leak test and repair leak.
Check compressor intake path
for obstruction. Clean or remove
obstruction.
Replace capacitor.
Replace circuit board
Replace compressor.
Replace or clean muffler.
Repair or replace solenoid valve.
Replace circuit board.
Replace sieve beds.