Tefcold LCT750C, Operation Instruction Manual

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Operation Instruction for Display Cabinet
4
Troubleshooting
Troubles Causes Solutions
No power
supply input
Poor socket contact Repair or replace the socket
Input control wire failure Repair the failure point
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 them away from 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
touch the bottom Replace the position of
temperature control probe
Too much noise
The product is not put
smoothly
Adjust the feet
The set screws of fans or
compressor are loose
Tighten the screws
The compressor
is not running
The voltage is beyond the
permitted range
Use a voltage regulator,and
connect with the appropriate
power supply
Temperature controller
failure Replace the temperature
controller
The compressor damage Replace the compressor
The light failure
Switch off or failure Turn on the switch
Wire connection is not
reliable
Check the plug point
The light power supply
damaged Replace the light power
supply
light damaged Replace the light
Note:
1. For simple troubleshooting, please be sure to disconnect the power supply.
2. For the maintenance and replacement work, please call for professionals
or the maintenance staff from the refrigeration factory of the manufacturer.
3. If the above methods could not solve the problem, please call for
professionals.