BIEMMEDUE DR Serie Livret D'entretien page 15

OBSERVED FAULT, POSSIBLE CAUSES AND REMEDIES
OBSERVED FAULT
• The unit won't start
• The ventilator and compressor are working but
• neither water nor ice form on the walls of the
• evaporator
• The unit stops and the pilot lamp (c) comes on
• The unit stops and the control lamp (b)
• comes on (the condenser's ribbed battery has
• over heated)
• The unit stops and the control lamp (b) flashes
CAUSE
• No electricity
• Humidistat not set correctly
• Water tank full (pilot light (c) on)
• Air flow not sufficient
• Room temperature and relative humidity level
• too low
• Refrigeration circuit not working correctly
• Water tank full
• Air flow obstructed
• Air temperature above 40°C
• Fan motor broken
• Refrigeration circuit not working correctly
• Temperature lower than 3°C
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REMEDY
• Check that the the switch is working and that
• it is ON
• Check mains caracteristics (230V 1 ~ 50 Hz)
• Set the humidistat at a relative humidity level
• which is lower than the room humidity level
• Empty the water tank
• Check that nothing is blocking intake and
• expulsion of air
• Check that there aren't any deposits or
• incrustation on the filter or on the ribbed
• batteries of the condenser or of the evaporator
• Check that the temperature is between 0°C
• and 40°C and that relative humidity is between
• 40% and 100%
• Call an Authorised Service Technician
• Empty the water tank
• Remove obstacles to air flow and start unit
• again
• Only use unit when temperature drops below
• 40°C
• Call an Authorized Service Technician
• Call an Authorized Service Technician
• Move the dehumidifier in a place where
• temperature is 3°C
GB