Fault Finding Guide - Dantherm CDP 75 Instructions De Service

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:
More help If you cannot find the reason for the fault, switch off the unit immediately in order to
prevent further damage. Contact a service technician or a Dantherm representative.
35
Fault
 The dehumidifier does not
work
 No light in the LEDs on the
display
 The dehumidifier does not
work
 The triangle lights up con-
stantly in red
 The compressor does not
work
 The lighting on the display
is light up in green
Solution
 Check the external fuses
 Check the power supply to the unit
 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
 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.