Toro Groundsmaster 3280-D Service Manual page 242

Cutting Deck Operating Problems
The cutting deck remains engaged, but should not, with no
operator in the seat.
The cutting deck run, but should not, with the PTO switch in
the O (disengage) position.
FF
The cutting deck does not operate with the PTO switch in
the O (up) position.
N
Cutting Deck Lift/Lower Problems
The cutting deck does not lower.
The cutting deck does not raise.
Electrical System: Troubleshooting
Problem
Problem
• The seat switch or circuit wiring is damaged.
• A loose, corroded, or broken wire(s) exist in the PTO clutch
circuit; refer to the Electrical Schematics in
A–1).
• The PTO switch or circuit wiring is damaged.
• A loose, corroded, or broken wire(s) exist in the PTO clutch
circuit; refer to the Electrical Schematics in
A–1).
• The operator seat is unoccupied.
• The hydraulic-fluid level in the hydraulic reservoir (front
axle) is low.
• The seat switch or circuit wiring is damaged.
• The PTO switch or circuit wiring is damaged.
• The engine temperature is excessive (above 105°C/220°F).
• The high temperature shutdown switch or circuit wiring is
damaged.
• The Standard Control Module is damaged.
• A loose, corroded, or broken wire(s) exist in the PTO clutch
circuit; refer to the Electrical Schematics in
A–1).
• The operator is not fully pressing the seat switch.
• The seat switch or circuit wiring is damaged.
• The lift control manifold solenoid coil SV1 or circuit wiring
is damaged.
• A hydraulic problem in the lift/lower circuit exists; refer to
the Troubleshooting (page
• The lift control manifold solenoid coil SV1 or circuit wiring
is damaged.
• A hydraulic problem in the lift/lower circuit exists; refer to
the Troubleshooting (page
Page 6–14
Possible Causes
Appendix A (page
Appendix A (page
Appendix A (page
Possible Causes
5–44).
5–44).
Groundsmaster
05138SL Rev B
® 3280-D/3320