Kubota ME5700, Workshop Manual

Page: 456 / 508

ME5700, WSM CABIN
10-S1
1. TROUBLESHOOTING
COMPRESSOR
Symptom Probable Cause Solution
Reference
Page
Noisy(Compressor
ON)
A
Bearing of compressor worn or damaged Replace 10-S31
A
Valves in compressor damaged Replace 10-S31
A
Belt slipping Adjust or replace G-28
A
Compressor bracket mounting screws loosen Tighten
A
Piping resonant Tighten or add clamp
(Compressor OFF)
A
Blower defective Repair or replace 10-S36
A
Bearings of magnetic clutch, idle pulley or
crank pulley worn or damaged
Replace 10-S32, S33
0000003002E
AIR CONDITIONING SYSTEM
Symptom Probable Cause Solution
Reference
Page
Does Not Cool(No Air
Flow)
A
Fuse blown Replace G-36
A
A/C main relay defective Repair or replace 10-S34
A
Blower high relay detective Replace 10-S37
A
Blower motor defective Replace 10-S36
A
Blower switch defective Replace 10-S35
A
Wiring harness disconnected or improperly
connected
Repair
(Compressor Does
Not Rotate)
A
Fuse blown Replace G-36
A
Magnetic clutch defective Repair or replace 10-S32
A
A/C switch defective Replace 10-S38
A
Pressure switch defective Replace 10-S39
A
Belt slipping Adjust or replace G-28
(Others)
A
Insufficient refrigerant Check with manifold
gauge
10-S15
A
Expansion valve defective Replace
A
Compressor defective Replace 10-S31
Insufficient
Cooling(Insufficient
Air Flow)
A
Air filter clogged Clean or replace G-27
A
Evaporator frosted Clean or replace
thermo switch
10-S43
A
Blower motor defective Replace 10-S36
A
Blower resistor defective Replace 10-S36
KiSC issued 04, 2006 A