Dantherm cdp 75, Service Manual

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Fault finding guide
Important!
If the dehumidifier is not functioning correctly, shut it down immediately!
Fault finding
Use this table to localize and solve a possible problem or fault:
Fault Solution
•
The dehumidifier does not
work
•
No light in the LEDs on the
display
•
Check the external fuses
•
Check the power supply to the unit
•
The dehumidifier does not
work
•
The triangle lights up con-
stantly in red
•
Reset pressostat and thermal relay
If the dehumidifier does not work after several reset-
tings of HP pressostat and thermal relay:
•
Check that the room temperature is between 20
and 38°C
•
Check that the fan is running
•
Check that the inlet and outlet air duct are free
from obstruction and whether the filter is clean
•
The compressor does not
work
•
The lighting on the display
is light up in green
•
Check the room or duct hygrostat by setting it to
a low relative humidity (10-20%)
If the unit still does not start, check the room or duct
hygrostat for defects.
More help
If you cannot find the reason for the fault, switch off the unit immediately in order to pre-
vent further damage. Contact a service technician or a Dantherm Air Handling repre-
sentative.