AirSep MN105-1 C - Manual (Page 40)

AirSep ® Corporation
NewLife ® Elite Service Manual
6-4
Problem Probable Cause Solution
Compressor does not run.
Constant audio alarm with
ON/OFF power switch in ON
position.
No power to unit.
Unit circuit breaker tripped or
faulty.
Faulty electrical connections.
Defective circuit board.
Defective ON/OFF power switch.
Check wall outlet for power.
Reset or replace circuit breaker.
Check electrical connections.
Check circuit board for two-light
rotation/replace circuit board.
Replace ON/OFF power switch.
Compressor runs with
intermittent alarm. Oxygen
concentration at 5 LPM is within
specifications.
Defective high or low pressure
switch.
Replace and retest pressure
switch.
Compressor shuts down
intermittently.
Restricted air flow through unit.
Unit overheating due to improper
location.
Defective cabinet fan.
Defective high temperature
switch.
Clean inlet filter, or remove
obstruction.
Locate unit away from heating
source, providing adequate
ventilation on all sides.
Replace cabinet fan.
Replace high temperature switch.
Compressor does not start.
ON/OFF power switch in ON
position, intermittent alarm, and
cabinet fan turns.
Extreme cold start.
Compressor thermally cut off due
to excessive heat. NOTE: It will
not restart unit until it cools down.
Defective capacitor.
Defective circuit board.
Faulty electrical connection for
compressor.
Defective high temperature
switch.
Allow unit to reach room
temperature.
Blocked air intake or defective
cabinet fan/clear obstruction, or
replace cabinet fan.
Replace capacitor.
Check circuit board for two-light
rotation/replace circuit board.
Check electrical connections for
compressor.
Replace high temperature switch.
6.3 Troubleshooting Chart