12-17
6.Refrigerant doesn’t circulate in the Air conditioning system
ⓐ
Pressure ●Low pressure : Negative pressure(Low)
●High pressure: 6 kg/㎠(Low)
ⓑ
Situation ● Deficient air conditioning
(Not cool)
● Cool occasionally
ⓒ
Cause ●Clogged in the Expansion valve hole
(Clogged by foreign matter or freezing,
dust)
ⓓ
Estimate ●Clogged in the expansion valve
ⓔ
Remedy ●Remove the wet:Replenish the refrigerant
●Remove dust:Disassemble the expansion
valve and clean with air lower and replace
●Replace the receive dryer:Leakage in the
expansion valve replace
7.Defect of the compressor pressure
ⓐ
Pressure ●Low pressure : 4~6 kg/㎠(High)
●High pressure: 7~10 kg/㎠(Low)
ⓑ
Situation ● Deficient air conditioning
(Not cool)
ⓒ
Cause ●Compressor inside leakage
ⓓ
Estimate ●Defect pressure of the compressor
(Valve leakage or damaged)
ⓔ
Remedy ●Repair or replace
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