Daikin LX10F11B3 User Manual

Symptom Cause Checkpoint Remedy
Ⅲ
Inside temperature does not drop.
The low pressure is
too high.
Refrigerant
overcharge.
Compressor compression fault
Refrigerant recovery,
Recharging
Is outlet side pipe
of HSV,RSV, (PRV)
hot?
Leak in solenoid valve
⇒ Replace
Normal operation
Automatic
pomp-down
Is E202 generated？
Is high pressure high?
To page 2-47 and 48
（The high pressure is
excessively high.）
YES（E202）
YES (High)
YES (Hot)
NO
NO
NO
Solenoid valve
internal leak
HSV,RSV (PRV)
Ⅳ
Inside temperature does not rise (during heating operation).
The high pressure is
excessively low.
The discharge gas
temperature is low.
The low pressure is
excessively high.
Faulty operation of
solenoid valve (HSV)
YES
YES
Is the outlet
piping of HSV
cold?
Is the difference
in pressure between the pressure
gauge and HPT 100 kPa
or more?
Is the difference
in pressure between the pressure
gauge and LPT 30 kPa
or more?
Is the DCHS1, 2
or heat insulation installed
improperly ?
Faulty operation of
HSV
⇒ Replace
Faulty HPT
⇒ Replace
NO
NO
YES
Faulty LPT
⇒ Replace
NO
NO
YES
Correct installation
of DCHS
NO
HPT＜400kPa ?
YES
Leak in DMV
⇒ Replace
Heating operation
※ DCHS: Discharge pipe
temperature sensor
Shortage of refrigerant or
outside air temperature is too low.
HPT failure
(pressure reading is
not correct)
LPT failure
(pressure reading is
not correct)
DCHS1, 2 installation
faulty
Pressure leak to
condenser due to
leak from DMV
2-50
02章45-54LX10F11B3TR16-02En.indd2-5002章45-54LX10F11B3TR16-02En.indd2-50 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