AirSep MN105-1 C - Manual (Page 41)

AirSep ® Corporation
NewLife ® Elite Service Manual
6-5
Problem Probable Cause Solution
Compressor runs with intermit-
tent low pressure alarm and low
oxygen concentration.
Leak.
Defective circuit board.
Leak test and repair leak.
Check circuit board for two-light
rotation/replace circuit board.
Compressor runs with intermit-
tent high pressure alarm and low
oxygen concentration.
Defective sieve beds.
Faulty solenoid valve.
Restriction in exhaust muffler.
Replace sieve beds.
Repair or replace solenoid valve.
Replace or clean muffler.
Compressor relief valve releases
(popping sound).
Defective circuit board.
Defective solenoid valve.
Contaminated sieve beds.
Defective relief valve.
Faulty electrical connection at
waste valve.
Check circuit board for two-light
rotation/replace circuit board.
Repair or replace solenoid valve.
Replace sieve beds.
Replace relief valve.
Repair electrical connection.
Constant alarm with ON/OFF
switch in ON position. Circuit
breaker repeatedly trips.
Defective circuit breaker.
Defective capacitor.
Defective compressor.
Defective circuit board.
Faulty electrical connection.
Replace circuit breaker.
Replace capacitor.
Replace compressor.
Check circuit board for two-light
rotation/replace circuit board.
Repair electrical connection.
Alarm does not sound. Dead battery.
Incorrectly installed battery.
Faulty electrical connection.
Defective ON/OFF switch.
Defective buzzer.
Defective pressure switch.
Replace battery.
Reinstall battery with correct
polarity.
Repair electrical connection.
Replace ON/OFF switch.
Replace buzzer.
Replace and test pressure switch.