GP, Explosion-Proof and FMS Lab Refrigerators and Freezers
Troubleshooting | 15
Troubleshooting
This table is intended to assist in resolving user-correctable Refrigerator problems by relating symptoms to their likely causes.
If service beyond the scope of this table is required, contact your nearest VWR Service Office.
Symptom
Probable Cause
Action
Does Not Run
Unit Unplugged
Blown fuse or tripped circuit breaker
Plug in Unit
Check fuse or circuit breaker at breaker box
Runs Continuously
Frost build up on refrigeration coils.
Defrost unit
Clicking Sound
The compressor is equipped with a thermal
protector. This device shuts off the
compressor when it becomes too hot. A
clicking sound occurring about every 30
seconds indicates this protector is working
Disconnect power. Allow refrigeration system
time to equalize, then try again. If problem
persists, call for service
Insufficient Cooling
Thermostat set too high
Unit frosted
Reduce thermostat setting
Defrost unit
