Symptom
Cause
Checkpoint
Remedy
Ⅲ
Inside temper
ature does not drop
.
Sight glass flashes
when the RS is 0
℃
or less during frozen
operation.
The high pressure is
excessively high.
The low pressure is
excessively low.
The low pressure is
excessively high.
Frosted compressor
body or suction pipe
Refrigerant shortage
System blockage
(including solenoid
valves)
Entering of air in
refrigerant system
Clogging of discharge
pipe line
(Compressor to
condenser)
LSV failure
Blocked at dryer
Entering of air
HPT failure
Gas leak check
Gas leaks
⇒
Repair the gas leaking location.
NO
Is the difference
in pressure between the ports
②
and
④
1000 kPa
or more?
Clogging of discharge pipe line
Clogged section between the ports
②
and
④
⇒
Repair as needed
NO
Is the difference
in pressure between the ports
④
and
③
100 kPa
or more?
Blocked section between the
ports
④
and
③
⇒
Repair as needed or replace LSV
NO
Is the
difference in
temperature of the pipe in
and out of dryer filter
5
°
C or more?
Check for clogging in a dryer
⇒
Replace the dryer.
NO
Check for entering of air
referring to paragraph 4.4.
Air is entering
⇒
※
Replace refrigerant.
NO
Is the
difference in pressure
between the pressure gauge
and HPT 100 kPa
or more?
HPT failure
⇒
Replace HPT.
NO
Gas shortage
⇒
※
Replace the refrigerant.
Note:
※
Recover refrigerant
when replacing it.
YES
YES
YES
YES
YES
YES
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02̲45-54̲LX10F11B̲En.indd 2-47
02̲45-54̲LX10F11B̲En.indd 2-47
2014/11/19 16:36:59
2014/11/19 16:36:59
https://daikin-p.ru
Summary of Contents for LX10F11B
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