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8. Troubleshooting
When a malfunction is suspected
If any of the symptoms below occurs
Symptom
Check
Turning the MCB to on will not
activate the unit.
●
Check if
the power cord is connected to the power supply
securely.
●
Check if
power outage is occurring.
●
Check if
the standalone overheat prevention device is working.
Temperature does not rise.
●
Check if
the set temperature is below that in the device.
●
Check if
the power supply voltage has declined.
●
Check if
the ambient temperature is low.
●
Check if
cooling load for inside the bath is too large.
Temperature fluctuates during
operation.
●
Check if
the set temperature is appropriate.
●
Check if
the power supply voltage has declined.
●
Check if
ambient temperature fluctuates widely.
●
Check if
cooling load for inside the bath is too large.
Displayed temperature differs
from the measurement.
●
Check if
the calibration offset setting is other than “0”. Set it
to “0.”
Confirm the settings in “Using the calibration offset function”
on page 24.
If power outage occurs
When the power is applied again after the unit has stopped due to power outage, the unit will
automatically return to the status immediately before the power outage and resumes operation.
Turn the MCB off if you do not want to resume operation by automatic recovery.
◆
If the symptom does not match any of the above, immediately turn the MCB on the main unit off,
pull out the power cord from the power supply and contact your dealer or one of our sales
offices.
Summary of Contents for DKM300C
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