Fault Finding Guide - Dantherm CDP 35T Service Manual

Fault finding guide

Important!
Fault finding
More help
30
If the dehumidifier is not functioning correctly, shut it down immediately!
Use this table to localize and solve a possible problem or fault:
Fault
-
• The dehumidi-
fier does not
work
• no light in the
LEDs on the
display
The compressor
• The compressor
has stopped auto-
does not work
matically caused by
• the triangle is
a too high tempera-
constantly red
ture on the con-
denser
-
• The dehumidi-
fier does not
work
• the lighting on
the display is
green
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.
Possible cause
• Check the external fuses
• Check the power supply to the unit
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 dir-
• Check if the condenser coil is dirty
• Check if the room temperature is
• Check that the duct openings are not
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
Solution
ty
higher than 36 °C. If the room tem-
perature is higher than 36 °C, the
unit must be stopped
covered