Troubleshooting
continued...
4
PROBLEM
CAUSE
SOLUTION
No power
Damaged fuse
Replace fuse
Bad socket contact
Repair or replace the socket
Damaged power cord
Repair or replace power cord
The compressor
is not running
Temperature controller failure
Replace the temperature
controller
Loose wire
Check the wire failure
The plug of the starter of the
compressor is loose
Replace the plug
The starter or the capacitor
damaged
Replace the starter or the
capacitor
The compressor is damaged
Replace the compressor
Condenser fan does not
run
Poor fan wiring
Check the wiring of the
condenser fan
Fan motor failure
Replace the motor
Evaporation fan does
not run
Circuit failure
Check the terminal bus wiring
Fan damaged
Repair or replace the fan
High cabinet
temperature
Near a heat source
Move the counter or the heat
source
Frost block
Defrost manually
Over-inventory in the cabinet
which blocks the air outlet and
inlet
Take out part of the goods, move
that at the air outlet and inlet
Refrigerant leaking
Check the leak and refill
refrigerant
Condenser contaminated
Clean the dust-hood
Fan failure
Repair or replace the fan
Temperature controller failure
Replace the temperature
controller
Temperature control probe is
touching the bottom
Reposition the temperature
control probe
Front glass
condensation
The defogging switch is closed
or fails
Open and replace the switch
Defogging wire failure
Repair the input and output
wiring
Transformer damaged
Replace the transformer
