Troubleshooting
•
The set humidity above ambient
humidity is not reached
•
The steam boiler (-9A10 ) does not
heat up
Humidity switch off?
Yes
Switch on humidity switch
No
No water in the inlet tank, or with option ex-
ternal water cans there is no water in the
freshwater can
Yes
Check water inlet (tap) and fill up water.
No
Inlet valve (
-10Y1
) defective?
Yes
Replace the humidification
module, chap. 9.1.6)
No
Filling level and overflow sensor (
-10S1)
in
the outlet tank defective? With max. level
down = switch is closed
Yes
Replace the humidification
module, chap. 9.1.6)
No
Side mounted float switch (
-10S3)
in the
inlet tank defective? With enough water
bent to top = switch is opened
Yes
Replace the humidification
module, chap. 9.1.6)
No
Power supply to humidification module
(-
9A10)
interrupted?
Yes
Check and restore power supply,
connectors (
-X100, -X110
)
No
Temperature fuses defective?
Temperature fuse 160° (-
9F20
)
Temperature fuse 175° (-
9F10
)
Yes
Replace the humidification
module, chap. 9.1.6)
No
Manometric switch (
-9F30
) defective?
Yes
Replace the humidification
module, chap. 9.1.6)
No
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Service Manual KBF (E5.2) 04-2015