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8. Troubleshooting
When a malfunction is suspected
If any of the symptoms below occurs
Symptom
Check
Turning the power on will not
activate the unit.
If the power cord is connected to the power supply or socket
securely.
If power outage is occurring..
Temperature does not rise.
If the set temperature is below that in the bath.
If the power supply voltage has declined.
If the ambient temperature is outside the usable environmental
temperature range.
Usable environmental temperature range is 5
℃~
35
℃
.
If the cooling load in the bath is too large.
If the manual damper is opened.
If an exhaust fan with a air amount exceeding the specification
is not used when connecting the exhaust duct. Check the
procedures for connecting the exhaust duct in
“17. About
handling of the exhaust port (manual damper)
” on P.8.
Temperature fluctuates during
operation.
If the set temperature is appropriate.
If the power supply voltage has declined.
IF fluctuation of the environmental temperature has become
large.
If load for inside the bath is large.
Displayed
temperature
is
different from the measured
temperature.
If the calibration offset setting is other than
“0”. Set it to “0”.
Check the setting in
“Using the Calibration Offset function” on
P.34.
◆
If the symptom does not match any of the above, immediately turn the power switch on the main
unit off, pull out the power cord from the power supply and contact your dealer or one of our
sales offices or our support center.
Summary of Contents for DKG610
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