Service manual

22
22
GB
> Compressor motor has a winding
open or shorted
> Measure ohmic resistance of
main and auxiliary winding
using ohmmeter. Compare
with correct values
> Compressor stuck
> Change compressor
> Temperature control contacts are
open
> Repair or replace the contacts
> Incorrect wiring
> Check wiring diagram and
correct
> Fuse blown or circuit breaker
tripped.
> Replace fuse or reset circuit
breaker
> Power cord unplugged
> Plug in power cord.
> Controller set too high
> Set controller to lower
temperature.
> Cabinet in defrost cycle
> Wait for defrost cycle to finish
The temperature is too cold
> Controller is set at a very cold
position
> Set to warmer position and
check if the compressor stops
according to controllers
operating range.
> Controller does not disconnect
the condensing unit
> Check the insulation of the
thermostat. If problem
persists, change the
thermostat
> Control contacts are stuck closed
> Change the control. Check
amperage load
> Defective or incorrect
temperature control
> Determine correct control and
replace.
The temperature is not cold
enough
> Controller is set at a very warm
position
> Adjust to colder setting
> Condenser is dirty
> Clean condenser
> The refrigerator has been placed
at an inadequate location
> The unit must not be near
stoves, walls that are exposed
to the sun, or places that lack
sufficient air flow.
> Compressor is inefficient or there
is a high pressure due to the air
in the system
> If there is air in the system,
purge and recharge
> Iced up evaporator coil
> Check temperature control,
refrigerant charge, and defrost
mechanism. Remove all ice
manually and start over.
> Restriction in system
> Locate exact point of
restriction and correct
> The refrigerator has been used
improperly
> The shelves must never be
covered with any type of
plastic or other material that
will block the circulation of
cold air within the refrigerator.