WILMS 3100430, Manual

Page: 23 / 34

Use this table to identify and remedy a problem or fault:
Problem Cause Action
.
The unit does not start No power input Check that the power cable
.
Display not switched on is correctly connected to
power source and unit
If the power cable is
connected, check the
branch fuse
.
Unit does not work Hygrostat has sensored a Reduce preset value of the
.
Green control lamp does relative humidity which is below hygrostat or change to
not illuminate the preset value and has shut manual operation
.
HYG STOP shown on
off the unit to save energy Refer the chapter about
the display use of built-in hygrostat on
page 9
.
Yellow control lamp The water tank is full or pump Empty the water tank or
illuminates (accessory) blocks eleminate pump
Display shows FULL
blockade
.
Red control lamp Fault which results in Refer table of manual
illuminates operation interruption on page 12 about
fault reports
.
Dehumidifier operates Time for service interval Maintain the dehumidifier
.
Green control lamp is run off as described in the
illuminates chapter about the service
.
SERVICE flashes in
interval counter
display
.
Dehumidifier operates RH%-Sensor defective Replace RH%-Sensor
.
When RH% is activated,
the display shows
SENSOR FAIL
.
kW/h and operating Data-store-battery empty Exchange battery
hour are not on display refer page 11
without main power
supply
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Fault finding and solving