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TROUBLE SHOOTING
If the unit malfunctions, check out the following before calling for service.
The unit does not operate at all
1. The unit is not plugged correctly into a power outlet.
2. The circuit breaker at the power source is active.
3. A power failure has occurred.
4. A fuse has blown.
The key operation is disabled
1. The key lock function is set in OFF mode.
If the alarm function operates
If the alarm function and the buzzer operates, check the cause using the following procedure.
[At the beginning of operation]
1. The chamber temperature is not equal to the set value.
[During operation]
1. The set temperature value was changed.
2. The door was left open for a long period.
3. A low temperature load was placed inside the unit.
In these case, if the unit is left as it is, the alarm will eventually clear itself.
If the chamber temperature is not equal to the set temperature
1. The temperature in the vicinity is too high.
The ambient temperature must always be at least 5°C less than the set temperature.
2. The unit is installed tilted.
DISPOSAL OF UNIT
AWARNING
If the unit is to be stored unused in an unsupervised area for an extended period ensure that children do
not have access and doors cannot be closed completely.
The disposal of the unit should be undertaken by appropriate personnel. Always remove doors to
prevent accidents such as suffocation.
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