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CABIN SYSTEM

► dIAgNOSINg MAlFUNCTIONS
1. TRACINg FAUlTS
SYMpTOM CONdITION CAUSE REMEdY
1.Compressor Abnormal sound Inlet sound  Insufficient Lub  Replenish

Outlet sound  Belt tension release  Adjust

 Release the bracket  Tighten the bolts

 Clutch fail  Check

Abnormal revolution Inlet cause  Damaged parts  Check, Replace

 Slip the clutch  Check, Replace

 Not Lub  Replenish

Outlet cause  Belt tension released  Adjust 6 4 36

Refrigerant or oil Refrigerant or oil leakag  Sealing washer damaged  Replace

leakage  Head bolt released  Tighten the bolts

 D-ring damaged  Replace

Excessive pressure Low, High pressur  Insufficient refrigerator  Adjust

 Compressor  Replace

2.Motor Weak from pres- Motor is normal  Air inlet clogged  Remove

sure or don”t work  Evaporator freezing  Controlling minimum pressure

 Ventilator switch damage  Replace the switch

 Compressor  Replace

Motor is abnorma  Motor failure  Replace

 Wire cut  Replace

Air leakage  Duct leakage  Check, Tighten

Unable to control Motor  Air volume control switch failure  Check, Tighten

the fan Motor is abnormal  Motor failure  Replace

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