Dantherm AD 290 B Manual page 34

Fault finding guide
Fault finding
Note
Further help
34
Use this table to locate and remedy a problem or a fault:
Problem
The dehumidifier does not
start
The dehumidifier is not
operational
The dry air is colder than
the inlet air and the re-
generation air is warmer
than normal
The required regeneration
and dry air are not there
The regeneration air is
cold
If the dehumidifier is not functioning as it should, it must be disconnected immediately!
If the dehumidifier does not restart, contact Dantherm your supplier.
Cause
The mains connector has
not been connected or the
group fuse has blown
If a hygrostat is installed as
an optional extra, it may
have disconnected the de-
humidifier
The rotor is not running
The fan is not working
Error on heating element
Action
Check that the power sup-
ply to the dehumidifier is in
order.
Is the plug connected?
If the plug is connected,
check the group fuse
Check also that the selector
switch on the dehumidifier
is in the required position
Check this by setting the
hygrostat down to e.g. 20%
RF. The dehumidifier will
then start.
Check rotor, engine and
belt
Check the fan
Check that the ammeter
shows
6,0 – 6,2