Kubota M9540, Workshop Manual, Page: 502 / 619

9-S1
M8540, M9540, WSM ELECTRICAL SYSTEM
1. TROUBLESHOOTING
W1014322
BATTERY
W1013580
STARTING SYSTEM
W1011018
AIR HEATER
W1010808
Symptom Probable Cause Solution
Reference
Page
All Electrical
Equipments Do Not
Operate Battery discharged or defective Recharge or replace 9-S9
Battery positive cable disconnected or
improperly connected Repair or replace 9-S8
Battery negative cable disconnected or
improperly connected Repair or replace 9-S8
Slow blow fuse blown Replace 9-S10, 11
Fuse Blown
Frequently Short-circuited Repair or replace –
Battery Discharges
Too Quickly Battery defective Replace 9-S8
Alternator defective Repair or replace 9-S18
Wiring harness disconnected or improperly
connected (between battery positive terminal
and alternator
B terminal)
Repair or replace –
Cooling fan belt slipping Adjust tension G-26
Starter Motor Does
Not Operate Battery discharged or defective Recharge or replace 9-S9
Slow blow fuse blown Replace 9-S10, 11
Starter relay defective Replace 9-S40
PTO switch defective Repair or replace 9-S27
Wiring harness disconnected or improperly
connected (between main switch
M terminal and
PTO switch, between main switch ST terminal
and PTO relay, shuttle neutral switch, between
safety switch and starter relay, between starter
relay and ground, between starter relay and
starter motor
S terminal, between battery
positive terminal and starter motor B terminal)
Repair or replace –
Starter motor defective Repair or replace 9-S16
Main switch defective Replace 9-S13, 14
Air Heater Does Not
Heat Slow blow fuse blown Replace 9-S10, 11
Air heater relay defective Replace 9-S40
Air heater defective Replace 9-S16
KiSC issued 09, 2008 A