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TROUBLESHOOTING
Malfunction
The chamber is not cooled
at all
The cooling is poor
When the unit does not
accept the changes of
temperature setting
Noise
Note:
If the malfunction is not eliminated after checking the above items, or the malfunction is not shown in the
above table, contact our sales representative or agent.
The circuit breaker of power source is active.
The voltage is too low. (In this case, call an electrician.)
The power switch is not ON.
The large amount of articles (load) is stored in the chamber at
one time.
The freezer is in defrost condition.
The ambient temperature is too high.
The inner lid is not closed firmly (MDF-437 only).
The large amount of frost is built on the chamber wall.
The set temperature is not inputted properly.
The freezer is in the direct sunlight.
There is any heating source near the freezer.
A rubber cap and insulation for the access port are not set
correctly.
You put too many unfrozen articles into the freezer compartment.
The key lock is set in ON mode.
The freezer is not installed on the sturdy floor.
The freezer is not leveled with the leveling feet.
There is anything touching the frame.
The freezer is in the status immediately after start up.
The unit sometimes causes a noise when the chamber temperature
is high due to the large load.
accompanying with the cooling of the chamber.
20
Check/Remedy
The noise gets less and less
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