Troubleshooting - Malmbergs MFD20-522R2 Instruction Manual

TROUBLE-SHOOTING
Please check each item first before applying or maintenance:
Malfunctions
No operation
Intermittent stop
during the operation
Small dehumidifying
capacity
Loud sound while
operating
Water is left in the tank Since each unit has been tested before leaving the factory,
The buzzer sounds
Possible Cause
The plug is not connected.
The water tank is full.
The water tank is not in position.
The defrosting humidity valve of the machine unit may reach a
set value. When the humidity rises again above the set value,
the machine unit may start automatically.
Doors and windows are not closed.
The air inlet and/or outlet are blocked.
The filter is dirty.
The room temperature is too low.
The room is too large.
The dehumidifier is in air clean mode.
The dehumidifier is not placed on a stable and level surface.
If the sound comes from the refrigerant, the sound will lower
automatically when the system operates stably.
some water remains on the evaporator flows to the water tank.
The buzzer sounds when the water tank is full of water.
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