Fault fnding and Use this table to identify and remedy a problem or fault.
fault solving:
lamp does not show
the green light
If the power cable is connec-
ted, check the branch fuse.
• Green control lamp
illuminates
The set-point value of the operates, it means that the
hygrostat is too high. hygrostat is defective.
37.4° F and the unit is automati- rise above 3°c/37.4°F.
cally put out of operation.
• Yellow control lamp The water tank is full. Empty the water tank.
• Red control lamp
illuminates. high-pressure side of the cooling
system is too high.
Check that the fan is
working.
Note:
may have switched off the dehumidifier for safety reasons
(Fuse).
Further
help: the dehumidifier is operating without extracting water which is probably a defect in the
cooling circuit. Contact a service technichian to remedy the defect.
Fault finding und solving
Problem Cause Solution
• The unit does not start No power input Check that the power cable
• The ON/OFF is correctly conneted to power
source and unit.
• Unit does not work If a hygrostat is connected as Reduce set-point value. If the
accessory: unit does not operate, remove
the hygrostat. If the unit now
Room temperature is below 3°C/ Wait for the temperature to
illuminates.
Pressure/temperature in the Check filter and dehumidifier for
accumulation of dirt.
• If the unit is not working correctly, shut it down immediately.
• Wait one minute before starting to locate the fault as the electronic equipment
Contact a Wilms dealer if the dehumidifier does not start again. This is also applicable when
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