Master Lock DH 40 - Manual (Page 6)

6
OBSERVED FAULT, POSSIBLE CAUSES AND REMEDIES
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OBSERVED FAULT, POSSIBLE CAUSES AND REMEDIES
PROBLEM CAUSE REMEDY
1a Check that the the switch is working and that it
is ON
1b Check mains caracteristics (220V, 1 ~, 50 Hz)
2 Humidistat not set correctly
2 Set the humidistat at a relative humidity level
which is lower than the room humidity level
3 Water tank full (pilot light "c"on) 3 Empty the water tank.
1 Air flow not sufficient
1a Check that nothing is blocking intake and
expulsion of air
1b Check that there aren't any deposits or
incrustation on the filter or on the ribbed batteries
of the condenser or of the evaporator
2 Room temperature and relative humidity
level too low. 2 Check that the temperature is between 0° and
40° and that relative humidity is between 40%
3 Refrigeration circuit not working correctly 3 Call an Authorised Service Technician
The unit stops and the pilot lamp (c)
comes on
1 Water tank full 1 Empty the water tank
1 Air flow obstructed
1 Remove obstacles to air flow and start unit
again
2 Air temperature above 40 °C
2 Only use unit when temperature drops below
40°C
3 Fan motor broken 3 Call an Authorized Service Technician
4 Refrigeration circuit not working correctly 4 Call an Authorized Service Technician
The unit stops and the control lamp (b)
flashes
1 Temperature lower than 3°C
1 Move the dehumidifier in a place where
temperature is 3°C
The unit stops and the control lamp (b)
comes on (the condenser's ribbed
battery has over heated)
The unit won't start
1 No electricity
The ventilator and compressor are
working but neither water nor ice form on
the walls of the evaporator