Dantherm CDP 35, 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 Possible cause Solution
•
The dehumidi-
fier does not
work
•
no light in the
LEDs on the
display
-
•
Check the external fuses
•
Check the power supply to the unit
•
The compressor
does not work
•
the triangle is
constantly red
The compressor
has stopped auto-
matically caused by
a too high tempera-
ture on the con-
denser If the unit does not start again after 45
minutes, check the following:
•
Check that the fan(s) is running
•
Check if the filter in the duct kit is
dirty
•
Check if the condenser coil is dirty
•
Check if the room temperature is
higher than 36 °C. If the room tem-
perature is higher than 36 °C, the
unit must be stopped
•
Check that the duct openings are not
covered
•
The dehumidi-
fier does not
work
•
the lighting on
the display is
green
- Check the built-in or the external hygro-
stat, if any, by setting it to a low relative
humidity, e.g. 10 – 20 %RH.
If the unit still does not start, check the
built-in or external 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 representative.