CABIN
M6060, M7060, WSM
9-S3
Insufficient Cooling
(Hi-pressure Level is
Too Low)
Refrigerant too short Check with manifold
gauge
9-S16
Compressor discharge valve damaged Replace 9-S43
Compressor gasket damaged Replace 9-S43
Low-pressure hose in trouble
(Cracked or clogged)
Replace –
Insufficient Cooling
(Low-pressure Level
is Too High)
Refrigerant overcharged Check with manifold
gauge
9-S18
Heat-sensitive tube in poor contact Check and repair –
Expansion valve too open Replace 9-S16
Insufficient Cooling
(Low-pressure Level
is Too Low)
Refrigerant too short Check with manifold
gauge
9-S18
Gas leak at heat-sensitive tube Replace –
Evaporator frosted Clean or replace 9-M3
Low-pressure hose in trouble (Cracked or
clogged)
Replace –
Expansion valve clogged Replace 9-S16
Insufficient Cooling
(Both Hi-pressure
and Low-pressure
Level is Too High)
Refrigerant overcharged Check with manifold
gauge
9-S18
Insufficient Cooling
(Both Hi-pressure
and Low-pressure
Level is Too Low)
Refrigerant too short Check with manifold
gauge
9-S18
Temperature Cannot
be Controlled
(Temperature Motor
and/or Temperature
Control Dial
Malfunction)
Temperature motor damaged Replace 9-S29
Temperature control dial damaged Replace 9-S27
Controller wiring harness disconnected Repair or replace –
Temperature Cannot
be Controlled (Water
Valve Does Not Open
Properly)
Cable wrongly set Repair 9-S26
Cable disconnected Repair 9-S26
Temperature Cannot
be Controlled (Mode
Motor and/or Mode
Switch Malfunction)
Mode motor damaged Replace 9-S29
Mode Switch damaged Replace 9-S27
Wiring harness controller disconnected Repair or replace –
Temperature Cannot
be Controlled (Heater
Hoses Laid is Bad)
Heater hose caught Repair –
Heater hose twisted or bent Repair or replace –
Symptom Probable Cause Solution
Reference
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