Kubota WSM B2050 Workshop Manual page 430

B2050, B2350, B2650, B3150, 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 and Checking Procedure
1. Battery discharged or damaged
2. Slow blow fuse blown
3. Wiring harness disconnected or improperly
connected
4. Main switch damaged
5. Glow plug indicator damaged
Probable Cause and Checking Procedure
1. Solenoid fuse blown (30 A)
2. Key stop solenoid relay damaged
3. Key stop solenoid damaged
4. Operator presence controller damaged
5. PTO select lever switch damaged
6. PTO lever switch damaged
7. Shuttle shift lever switch damaged
8. HST pedal switch damaged
9. Parking brake switch damaged
10.Relay damaged
11.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)
12.Wiring harness disconnected or improperly
connected (between operator presence
controller and key stop solenoid relay)
Recharge or replace
battery
Repair glow harness
or other
Repair or replace
connector and wire
harness
Check or replace
main switch
Replace main panel
Repair wire harness
or other
Replace key stop
solenoid relay
Replace key stop
solenoid
Check or replace
operator presence
controller
Check or replace
PTO select lever
switch
Check or replace
PTO lever switch
Check or replace
shuttle shift lever
switch
Check or replace HST
pedal switch
Check or replace
parking brake switch
Replace relay
Repair or replace
connector and wire
harness
Repair or replace
connector and wire
harness
9-S2
ELECTRICAL SYSTEM
Reference
Solution
Page
9-S10
9-M1 to
9-M3
9-M1 to
9-M3
9-S22
9-S32
Reference
Solution
Page
G-40,
9-M1 to
9-M3
9-S11
9-S18
9-S18
9-S17
9-S17
9-S17
9-S17
9-S17
9-S11
9-M1 to
9-M3
9-M1 to
9-M3
KiSC issued 03, 2014 A