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General
This section is a guide to troubleshoot general operational problems.
Problem
The unit does not operate.
There is an odour.
The compressor will not stop running.
The doors will not close properly.
There is a loud noise coming from the unit.
The door does not seal tightly.
The unit housing is hot.
There is condensation on the surface of the
unit.
There is an abnormal noise coming from the
unit.
Probable Solution
Make sure the unit is connected to the power supply.
Ensure the voltage is not too low.
Check the circuit has not been tripped.
Odorous samples should be tightly closed.
Clean the inside of the appliance.
Long operation of the appliance is normal during the summer / in
warmer weather when the ambient temperature is high.
Too much samples have been added to the appliance at one time.
Ensure samples are cooled before adding to the appliance.
The door is opened too frequently.
The unit is blocked by samples.
The unit is not properly levelled.
Check whether the fl oor is level, and whether the unit is placed stably.
Remove any foreign matter from the door seal.
Heat the door seal, and then cool it for restoration.
Heat dissipation of the built-in compressor, via the housing, which is
normal.
The ambient temperature is too high.
There is too much sample stored in the unit, or the compressor has
shut down, providing for insuffi cient heat dissipation.
When the ambient temperature is high, condensation on the outside
of the appliance is normal. Wipe the condensate clean with a towel.
The compressor may produce a loud buzzing sound during operation,
particularly upon start up or stop. This is normal.
Refrigerant fl owing inside of the unit may produce a creaking sound,
which is normal.
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