User Manual

17
TROUBLESHOOTING
You can solve many common problems easily, saving you the cost of a possible service call. Try the
suggestions below to see if you can solve the problem before calling the servicer.
Problems
Possible causes
Remedy
The unit does not operate
Bad connection of plug or burnt out fuse
Unplug the power cord and re-
connect the plug to power
supply or replace with a new
fuse
Abnormal operation of the
compressor or there is a
buzzing sound
The power voltage is out of rated range
Disconnect the power supply
immediately and reconnect
with it after normal voltage. It
is necessary to have a voltage
stabilizer in case of poor
power supply.
Compressor operates for a
long time and no frost on the
surface of the evaporator
Refrigeration system is at fault (leakage or
blocked)
Call for service
There is frost or ice on the
walls of the inner cabinet and
internal temperature is too
low, the compressor never
stops running.
Thermostat does not work
Call for service
The temperature setting of the thermostat
is too low.
Adjust to a higher temperature
The internal temperature is
too high, and the compressor
never stops operating.
Bad heat dissipation and ventilation of
condenser
Improve ventilation
Too many warm items were put in at one
time
Remove some goods so air
can circulate
Door is being opened too frequently during
initial cool down
Permit the unit to cool down
adequately, prevent product
access during this phase
Too noisy
The unit is not level
Adjust the adjustable legs
The fastener of the unit is loose
Tighten the loose fastener
Pipe near the compressor are touching
Carefully separate the
touching pipes
The side of unit is hot
The condenser in the side wall gives out
heat as part of normal operation
Nothing to worry about.
Sometimes a light sound of
water flowing will be heard
Refrigerant flowing inside the pipe.
Nothing to worry about.
There may be condensation
on the glass door
High ambient temperature or humid
conditions
Dry with a cloth
The display shows “So” and
compressor does not run
The temperature sensor is open circuit
Call for service