14
Does the fan for
the circulation of
the cold air
operate?
Check for continuity
between terminals 3 and 4
by pressing the door switch
(F, R) lever. Is it normal?
The switch to be
pressed is faulty.
Does the motor rotate
when the door switch
is pressed manually?
Have foreign materials
or frost affect the fan’s
blade?
Is the motor locking?
Remove foreign
materials.
Remove frost.
Replace the motor.
Replace the fan’s
motor
Is the fan’s motor coil
short-circuited?
Is there heavy frost or
ice accumulated on the
evaporator?
Defrost control is in a
faulty condition
Replace the
defrost timer
Does the evaporator
get cold when the F-
thermostat is by
passed in the
F-thermostat is in a faulty
condition
Replace the F-
thermostat.
Is the evaporator cool
partially after its
operation for more
than 30 minutes?
Is the measured revolution
of the fan’s motor less than
1,100 RMP?
Defective fan motor (faulty
rpm)
Replace the motor.
Defective freezing cycle
unit
The door switch
is faulty
