Malfunction Codes - Qlima D 410 Gebrauchsanweisung

MALFUNCTION CODES

• Unit's Malfunction Codes.
Malfunction
No.
Name
Ambient
Temperature
1
Sensor
Malfunction
Tube
Temperature
2
Sensor
Malfunction
Humidity
3 Sensor
Malfunction
Freon-lacking
4
protection
High-
temperature
5
over oad
protection
4
110
Display
Code
Unit's Condition
Display
Window
Compressor and fan
motor stop. This
button is invalid.
F1
F2
Compressor and fan
motor stop. This
button is invalid.
L1
F0
The compressor stops;
the fan motor keeps
on running.
H3
Possible Causes
• 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.
• 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.
• Humidity sensor is short-
circuited.
• Humidity sensor is
damaged.
• Display board is damaged.
• Refrigerant is leaking.
• System is blocked.
• Ambient operation
condition is bad.
• The evaporator and
condenser are blocked
with filth.
• The system is abnormal.