32
TROUBLESHOOTING
The cooling is poor.
The large amount of high temperature item was stored.
A lot of frost is built on the chamber wall.
The door was opened frequently.
The chamber set temperature is high.
The unit is in the direct sunlight.
The installation is not appropriate.
The ventilation around the unit is interfered.
Any heat source is located nearby.
The ambient temperature is high.
→
The usable ambient temperature is between -5
o
C and 30
o
C.
Too much items are stored.
The access port is not covered.
→
Cover the access port with thermal insulation and rubber caps when no use.
The magnetic door gasket is damaged.
→
Contact our sales representative or agent for the replacement of the magnetic door
gasket if it is damaged.
Something is caught in the magnetic door gasket.
The unit is installed near an electric appliance emitting the radio wave.
The setting of chamber temperature (key input) is ineffective.
The lock of chamber temperature setting is ON.
→
Change the lock to OFF [page 22].
The setting mode returns to the temperature display mode.
The setting mode returns to the temperature display mode automatically when 90 seconds has passed
without any key operation (auto-return function).
Note
Never install an electric appliance emitting the radio wave near the unit. The unit may malfunction by
the noise resulting from the radio wave.
