TYM T474, Manual

Page: 138 / 175

6 - 14
CABIN SYSTEM
dIAgNOSINg MAlFUNCTIONS ►
1.
TRACINg FAUlTS
SYMpTOM CONdITION CAUSE REMEdY
1.Compressor Abnormal sound Inlet sound
Outlet sound

Insufficient Lub

Replenish

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
Refrigerant or oil
leakage
Refrigerant or oil leakag

Sealing washer damaged

Replace

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 -
sure or don”t work
Motor is normal

Air inlet clogged

Remove

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
the fan
Motor

Air volume control switch failure

Check, Tighten
Motor is abnormal

Motor failure

Replace
T474NH-영문-06(바).indd 14 2019-03-06 오전 10:01:18