82
4
• Dehumidifier does not dry air as intended.
Problem Possible Causes Solution
• Bad dehumidifying
performance
• Check whether there is
any obstacle around the
unit.
• Make sure there is no
curtain, shutter or
furniture that blocks the
dehumidifier.
• Air filter is dusty and
blocked.
• Clean the filter.
• Doors and windows are
left open.
• Make sure all doors
and windows and other
opening to the outside
have been closed.
• Room temperature is too
low.
• Warm temperature is good
for dehumidification.
Low temperature will
reduce unit's working
effect. This unit should be
working in a place where
temperature is above 5ºC.
MALFUNCTION CODES
• Unit's Malfunction Codes.
No.
Malfunction
Name
Display
Code
Unit's Condition Possible Causes
Display
Window
1
Ambient
Temperature
Sensor
Malfunction
F1
Compressor and fan
motor stop. This
button is invalid.
• Ambient temperature
sensor is loosen or is
poorly connected with the
terminal of display board.
• Some element of display
board may have been put
upside down and cause
short circuit.
• Ambient temperature
sensor is damaged (Please
refer to Checking Table
for Temperature Sensor
Resistance).
• Display board is damaged.
2
Tube
Temperature
Sensor
Malfunction
F2
Compressor and fan
motor stop. This
button is invalid.
• Temperature sensor on the
evaporator is loosen or is
poorly connected with the
terminal of display board.
• Some element of display
board may have been put
upside down and cause
short circuit.
• Temperature sensor
on the evaporator is
damaged(Please refer
to Checking Table for
Temperature Sensor
Resistance).
• Display board is damaged.