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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 Fisher Scientific
Service Office.
Troubleshooting
Symptom
Probable Cause
Action
Does Not Run
Unit Unplugged
Plug in Unit
Blown fuse or tripped circuit
Check fuse or circuit breaker at
breaker breaker
box
Runs Continuously
Frost buildup on refrigeration coils
Defrost unit
Clicking Sound
The compressor is equipped
Disconnect power. Allow refrigeration
with a thermal protector.
system time to equalize, then try
This device shuts off the
again. If problem persists, call for
compressor when it
service.
becomes too hot. A clicking
sound occurring about
every 30 seconds indicates
this protector is working
Insufficient Cooling
Thermostat set too high
Reduce thermostat setting
Unit frosted
Defrost unit
Содержание Isotemp 150
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