CABIN
M6060, M7060, WSM
9-S2
Insufficient Cooling
(Compressor Does
Not Rotate Properly)
Belt slipping Adjust or replace G-28
Magnetic clutch damaged Repair or replace 9-S44
Compressor damaged Replace 9-S23
Insufficient Cooling
(Others)
Thermostat damaged Replace 1-M8,
1-S40
Water valve damaged Replace 9-M4
Condenser fin clogged with dust Clean 9-S37
Expansion valve damaged Replace 9-S16
Insufficient Heating Water valve damaged Replace –
Temperature motor damaged Check and repair 9-S29
Insufficient coolant Fill 9-S14
Too Low Air Flow
Rate (Blower Motor
Does Not Run)
Blower fan switch damaged Check and repair 9-S25
A/C compressor relay damaged Replace 9-S43
Brush in poor contact Replace –
Fuse blown out Replace 8-S11
Wrong wiring or loose connections Check and repair –
Too Low Air Flow
Rate (Flow Rate Does
Not Change in 4
Steps)
Blower resistor damaged Replace 9-S28
Relay damaged Replace 8-M29
Blower fan switch damaged Replace 9-S25
Too Low Air Flow
Rate (Others)
Blower is not tightened enough Check and repair 9-S48
Blower deformed Replace 9-S48
Blower in contact with casing Check and repair 9-S48
Obstacle at or near suction port Check and repair G-33,
9-M3
Evaporator frosted Clean or replace 9-M3
Filter clogged Clean or replace G-32
Blow duct clogged or missing Check and repair 9-M4
Insufficient Cooling
(Compressor
Magnetic Clutch
Does Not Work)
Low battery voltage Charge 8-S8
Rotor in contact with stator Replace 9-S44
Wrong wiring loose connections Check and repair –
Relay damaged Replace 9-S43
Coil shortage Replace 9-S44
Ground malfunction Check and Repair 8-S13
Coil burst out Replace 9-S44
Insufficient Cooling
(Hi-pressure Level is
Too High)
Refrigerant overcharged Check with manifold
gauge
9-S18
Condenser clogged with dust and dirt Clean 9-S37
Air mixed Check with manifold
gauge
9-S15
Symptom Probable Cause Solution
Reference
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