Toro Groundsmaster 3280-D Service Manual page 241

General Run and Transport Problems (continued)
Problem
The engine shuts off during the operation (the operator sitting
on the seat).
The battery does not charge.
The PTO clutch does not engage.
Groundsmaster ® 3280-D/3320
05138SL Rev B
• The operator is not in the center of the seat (the seat switch
is not pressed).
• The engine temperature is excessive (above 115°C /240°F).
• The engine high temperature shutdown switch is damaged.
• The machine is operated on a slope with a low fuel level.
• The parking brake is engaged or the parking brake switch
is damaged.
• The key switch is damaged.
• The seat switch is damaged.
• The seat switch wiring is loose, corroded, or damaged.
• The fuses F1-1, F1-2, F1-3, and/or F1-4 are/is damaged;
refer to Fuses (Machine Serial Number below 400000000)
(page 6–22) or Fuses (Machine Serial Number above
400000000) (page 6–23).
• Wiring to the run circuit components is damaged or
disconnected; refer to Wiring Schematics in
(page A–1).
• The fuel pump is damaged.
• The Standard Control Module is damaged.
• A loose, corroded, or broken wire(s) exist in the charging
circuit; refer to the Electrical Schematics in
A–1).
• The engine alternator belt is loose or damaged.
• The alternator is damaged.
• The battery is damaged.
• The fusible link harness at the engine starter motor is
damaged.
• The system fuse F1-1 (15 A) or F1-3 (10 A) is open; refer
to Fuses (Machine Serial Number below 400000000) (page
6–22) or Fuses (Machine Serial Number above 400000000)
(page 6–23).
• The logic power fuse F1-4 (2 A) is open.
• The fuse block is damaged.
• The PTO switch is damaged.
• The PTO latch relay is damaged.
• The electric clutch wiring is loose, corroded, or damaged.
• The electric clutch is out of adjustment or damaged.
Page 6–13
Possible Causes
Appendix A
Appendix A (page
Electrical System: Troubleshooting