Kubota B1830 Workshop Manual page 441

B1830,B2230,B2530,B3030, WSM
Symptom
Pre-heat indicator
Lamp Does Not Light
When Main Switch Is
in Pre-heat Position
OPERATOR PRESENCE CONTROL (OPC)
Symptom
Engine Does Not
Stop
Probable Cause
Battery discharged or defective
Slow blow fuse blown
Wiring harness disconnected or improperly
connected (between main switch 19 terminal and
pre-heat indicator, between pre-heat indicator
and glow plugs)
Main switch defective
Glow plug indicator defective
Probable Cause
Solenoid fuse blown (30A)
Key stop solenoid replay defective
Key stop solenoid defective
Operator presence controller defective
PTO select lever switch defective
PTO lever switch defective
Shuttle shift lever switch defective
HST pedal switch defective
Parking brake switch defective
Relay (AC1) defective
Wiring harness disconnected or improperly
connected (between key stop solenoid relay and
key stop solenoid, between key stop solenoid
relay between main switch and operator
presence controller, between safety switches and
operator presence controller and battery positive
terminal)
Wiring harness disconnected or improperly
connected (between operator presence controller
and key stop solenoid relay)
Recharge or replace
Replace
Repair or replace
Replace
Replace
Replace
Replace
Replace
Replace
Adjust or replace
Adjust or replace
Adjust or replace
Adjust or replace
Adjust or replace
Replace
Repair or replace
Repair or replace
9-S2
ELECTRICAL SYSTEM
Reference
Solution
Page
G-24
G-47 to
G-50
–
9-S10 to
9-S12
9-S28
Reference
Solution
Page
G-48,
G-50
9-S13
9-S15,
9-S15
9-S15
9-S18,
9-S20
9-S16 to
9-S20
9-S16 to
9-S20
9-S16,
9-S19,
9-S20
9-S17,
9-S18,
9-S19,
9-S20
9-S14
–
–
KiSC issued 05, 2012 A