Troubleshooting - Kubota B1830 Workshop Manual

B1830,B2230,B2530,B3030, WSM

1. TROUBLESHOOTING

FUSE AND WIRING
Symptom
All Electrical
Equipment Do Not
Operate
Fuse Blown
Frequently
BATTERY
Symptom
Battery Discharges
Too Quickly
STARTING SYSTEM
Symptom
Starter Motor Does
Not Operate
Probable Cause
Battery discharged or defective
Battery positive cable disconnected or improperly
connected
Battery negative cable disconnected or
improperly connected
Slow blow fuse blown
Short-circuited
Probable Cause
Battery defective
Alternator defective
Regulator defective
Wiring harness disconnected or improperly
connected (between battery positive terminal and
regulator B terminal)
Cooling fan belt slipping
Probable Cause
Battery discharged or defective
Slow blow fuse blown
Safety switch improperly adjusted or defective
Wiring harness disconnected or improperly
connected (between main switch 50 terminal and
starter relay, between safety switches and starter
relay, between battery positive terminal and
starter motor)
Starter relay defective
Starter motor defective
Main switch defective
Recharge or replace
Repair or replace
Repair or replace
Replace
Repair or replace
Recharge or replace
Repair or replace
Replace
Repair or replace
Adjust tension
Recharge or replace
Replace
Repair or replace
Repair or replace
Replace
Repair or replace
Replace
9-S1
ELECTRICAL SYSTEM
Reference
Solution
Page
G-24
–
–
G-47 to
G-50
–
Reference
Solution
Page
9-S8,
9-S8
9-S31,
9-S35
9-S32
–
G-27
Reference
Solution
Page
G-24
G-47 to
G-50
9-S16 to
9-S20
–
9-S13
9-S34
9-S10 to
9-S12
KiSC issued 05, 2012 A