Repair work at the humidifying and dehumidifying system
9.2.4 Replacing the complete humidification module (-9A1)
Spare part:
•
Humidification module
order no. 8009-0789
Necessary tools:
•
Slotted and crosstip screwdrivers
•
Torx screwdriver, T 20
•
Cutter
•
Side cutter
•
. . .
1. Switch off the unit (main switch, -
1S1
).
2. Switch off the humidification module (humidity switch, -
8S1
).
3. Disconnect the unit from the power supply (Power plug, -
X1
).
4. Disconnect the unit from the water supply.
5. Remove the rear panel (chap. 5.3).
6. Disconnect the plugs -
X1
, -
X4
and
SIG1
from the controller board of the humidification module.
Figure 52: Removing plugs from the controller board
Service Manual KBF (E5.2) 04-2015
107