Daikin LX10F11B3 User Manual

Symptom Cause Checkpoint Remedy
Ⅲ
Inside temperature does not drop.
The low pressure is
excessively low.
Low air volume
(frosted evaporator)
Normal
Normal
NO
Is suction
and discharge air reversed
when the ventilator
is opened?
Is the DCHS1, 2
sensor installed
improperly?
Faulty resistance
of electronic expansion valve
coil (46Ω/phase)
YES (Inappropriate)
NO (Normal)
Correct installation of
sensor
YES (Inappropriate)
Replace the electronic
expansion valve coil.
Can the setting temperature
be reached?
NO (Fan rotates normally)
Check the wiring of magnetic
contactor for evaporator fan.
YES (Fan rotates reverse)
Are the current values
and coil resistance values for
each evaporator fan motor
abnormal?
Replace the evaporator
fan motor.
Install the propeller fan.
Can the setting temperature
be reached?
NO (Normal)
NO
YES
Open the access
panel and check if the evaporator
fan blade is removed.
YES
YES
YES
Manual defrost
Replacing electronic
expansion valve body
and replace dryer.
NO
NO
NO
Low air volume
(reverse rotation of
evaporator fan)
Evaporator fan motor
failure
Low air volume
(Fan blade removed)
Improperly discharge
pipe temperature
sensor DCHS1,2
(detection of wet
operation).
Faulty electronic
expansion valve coil
Entering of water in
refrigerant system
2-49
02章45-54LX10F11B3TR16-02En.indd2-4902章45-54LX10F11B3TR16-02En.indd2-49 2016/02/029:37:432016/02/029:37:43
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Daikin LX10F11B3 Specifications

General

Brand	Daikin
Model	LX10F11B3
Category	Inverter
Language	English