Wacker Neuson AD Series, Operator'S Manual

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AD ... Malfunctions, causes and remedies
8. Malfunctions, causes and remedies
Malfunction Cause Remedy
The machine does not start
No electric power
Check the function and position
of the main switch
Check the ratings of the electri-
cal power line (230 V 1 ~
50 Hz)
The moisture meter is incor-
rectly set Set the moisture meter so that
the value is smaller than the
current value of the relative
humidity in the room
The machine does not start
Water collecting pan is full
(control lamp (c) is lit) Empty the water collecting pan
Fan and compressor are in
operation but there is no forma-
tion of water and ice on the
evaporator
Insufficient air supply
Check if there are objects
obstructing the suction and dis-
charge side
Check if there are any deposits
or incrustations on the filter or
on the cooling fins of the con-
denser or evaporator
Values for the temperature and
relative humidity are too low Check if the temperature is
between 0 °C and 40 °C and if
the relative humidity is between
40 % and 100 %
The cooling circuit does not
function properly Contact the Technical Cus-
tomer Service
The machine has switched off,
and the control lamp (c) is lit Water collecting pan is full Empty the water collecting pan
The machine has switched off
and the control lamp (b) is lit
(the cooling fins of the con-
denser have overheated)
Air flow path is obstructed Remove any obstructions and
turn the machine back on
Room temperature is over
40 °C Do not start the machine until
the temperature has fallen
below 40 °C
The fan motor is defective Contact the Technical Cus-
tomer Service
The cooling circuit does not
function properly Contact the Technical Cus-
tomer Service
The machine has switched off,
and the control lamp (b) is lit
Temperature is below 3 °C Place the air dehumidifier in a
room that has a temperature of
3 °C