Defectives In Fan Motor Circuit; Defectives In Compressor Circuit - SSANGYONG 1999 Musso Service Manual

DEFECTIVES IN FAN MOTOR CIRCUIT

Fan Motor Does Not Run
Checks
Blown fuse
Battery voltage is low
Faulty wiring
Faulty ground
Fan Motor Runs in '4'position Only ('3', '2', '1' : Does Not Run)
Checks
Blown resister temperature fuse
Air leakage in parts connection
Motor Runs With Poor Blowing
Checks
Clogged or blocked intake grille
Frosted Evaporator
Checks
Faulty thermo amp

DEFECTIVES IN COMPRESSOR CIRCUIT

Compressor Does Not Run
Checks
Faulty high/low pressure
Faulty A/C relay
Magnetic Clutch Slips /Idles
Checks
Oily clutch plate
Low voltage
Faulty electric connection or operation
Magnetic Clutch Plays By Hand Only
Checks
Excessive clearance between
Clutch plate and clutch coil
MANUAL & SEMIAUTO-HVAC 7B/C-5
Check for short and replace fuse.
Check battery voltage.
Check connectors' connection.
Do not apply grease. This can cause voltage down.
Remove body painting and completely ground,
Tighten ground bolts and make sure body ground connection.
Replace resistor.
Check heater, cooling unit and blower for proper connection.
Clogged or blocked intake grille reduces blowing capacity.
Frosted evaporator reduces cooling capacity.
Off compressor and maximize blowing capacity
Check compressor magnet voltage supply.
A/C relay.
Clean oily plate using cleaning agent.
Charge battery or check for cause.
Check wire continuity
Check A/C switch and fan switch for continuity and ground.
Adjust clutch clearance (0.2-0.6mm).
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