Toro Reelmaster 3100-D Service Manual page 204

General Run and Transport Problems
Engine kills during operation (operator sitting on seat).
Engine kills when the backlap switch is in the
BACKLAP position and the parking brake is ON.
Battery does not charge.
Electrical Systems
Operator moved too far forward on seat (seat switch is
not depressed).
The engine overheated.
The parking brake was engaged or the parking brake
switch No. 1 failed.
The seat relay or seat switch failed.
The high temperature shutdown relay failed.
Fuse F1 or F3 failed.
The run solenoid or fuel pump failed.
Wiring in the run circuit (see Electrical Schematics)
broke or disconnected.
The parking brake was released or the backlap switch
was moved to MOW.
The engine overheated.
The traction pedal was moved from the neutral.
The high temperature shutdown relay failed.
Fuse F1 or F3 failed.
The run solenoid or fuel pump failed.
Wiring in the run circuit (see Electrical Schematics)
broke or disconnected.
Loose or broken wire(s).
Faulty alternator.
Dead battery.
Alternator warning lamp is faulty or burned out.
Alternator warning lamp wiring loose, corroded or
damaged.
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