8
Chapter 9
REFRIGERATOR DIAGNOSTIC CHART
PROBLEM POSSIBLE CAUSE POSSIBLE FIX
Refrigerator not cold Compressor will not start Turn breaker on at the main ship’s
service panel
Thermostat set too high or on/off
switch is in the off position
Reset thermostat or activate on-off
switch
Compressor starts but does not cool
fridge
Contact repair professional
Door latch not closing or door seal
not seated
Adjust latch or replace seal
Condensor dirty Remove fridge/clean coils with brush
or vacuum
Not running on DC Check for defective thermostat or
converter, low battery
Relace thermostat, converter or bat-
tery
Not running on AC Inadequate input voltage Make sure proper voltage exists on
ship’s main AC panel.
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