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TROUBLESHOOTING
Check out the following before calling for service if the malfunction of the unit is suspected.
<Attention> Contact our sales representative or agent if the malfunction is not eliminated after
checking the following items, or the malfunction is not included in the following.
The unit does not operate at all.
The power supply cord is not connected to the outlet properly.
The capacity or voltage of the power source is not sufficient.
→
Use a dedicated power source of more than 15 A and rated voltage.
It is under power failure.
The circuit breaker of power source side is active.
The fuse on the power supply side is blown.
The power switch is OFF.
The alarm is operative (alarm indicator blinks, buzzer sounds) at start-up.
The alarm (blinking of alarm indicator, sound of buzzer) is continued until the chamber temperature
reaches the chamber set temperature.
The alarm is operative (alarm indicator blinks, buzzer sounds) during operation.
The power supply cord is not connected to the outlet properly.
The capacity or voltage of the power source is not sufficient.
→
Use a dedicated power source of more than 15 A and rated voltage.
It is under power failure.
The circuit breaker of power source side is active.
The fuse on the power supply side is blown.
The chamber set temperature was changed.
The door was kept open for long period.
The items of high temperature were stored.
The door is open.
The unit is installed near an electric appliance emitting the radio wave.
The operation is noisy.
The floor is not sturdy.
The floor is not level.
The unit is tilted.
The side or back of the unit contacts with the nearby wall.