20
TROUBLE SHOOTING
If the unit malfunctions, check out the following before calling for service.
Malfunction Check/Remedy
The chamber is not cooled
at all
■
The power cord is not connected to the outlet.
■
The circuit breaker of power source is active.
■
The voltage is too low? (In this case, call an electrician.)
When the unit does not
accept the key operation
■
The key lock is set in ON.
The alarm system works
■
Investigate the following cause when an alarm lamp and buzzer are
working.
■
When use starts.
Does the chamber temperature match the set value?
■
When it is using.
Were not you taking the condition that opened the change of the
temperature command and a door for a long time?
Did not you put the sample whose temperature was high in the freezer
chamber?
An alarm is canceled naturally when it is left in these cases.
The cooling is poor
■
You put too many unfrozen articles into the freezer compartment.
■
The large amount of frost is built on the chamber wall.
■
The door is opened frequently.
■
The set temperature is not inputted properly.
■
The freezer is in the direct sunlight.
■
The freezer is not installed properly.
Dew condensation is
settled in the appearance
of the freezer.
■
When a stifling day lasts, or it sometimes dews in the exterior of the
freezer by the installation features. When humidity is high, it touches
the thing that water in the air is cold, and this is to the benefit that dew
condensation is settled, and it is not a trouble.
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.
Summary of Contents for MDF-MU300H
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