Isotemp Freezer
Troubleshooting | 15
Troubleshooting
This section is a guide to troubleshoot general operational problems.
Symptom
Probable Cause
Action
Unit does Not Run
Unit Unplugged
Blown fuse or tripped circuit breaker
Plug in Unit
Check fuse or circuit breaker at breaker box
Unit 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
Cabinet light not
working.
LED light bulb not working
Plug is not connected properly into electrical
outlet.
Replace AC LED light bulb. Use only a 5-Watt
AC LED light bulb.
Ensure plug is tightly pushed into electrical
outlet.
Green LED power
light is not on
LED may be burned out.
NO electric current is reaching the unit
Contact Fisher Scientific for assistance.
Refer above Does not Run Symptom
Unit is noisy
The cabinet is not level.
Adjust the anti-tip bracket.
Odours in Unit
Spillage
Interior needs to be cleaned.
