Toro 3550-D Lawn Mower User Manual


 
Reelmaster 3550−DPage 5 − 16Electrical System
General Run and Transport Problems
Problem Possible Causes
Engine stops during operation (operator sitting on
seat).
Operator not in center of seat (seat switch is not
depressed).
Fuel tank is empty.
Machine is being operated on a slope with a low fuel
level.
The parking brake was engaged or the parking brake
sensor is faulty.
Fuse(s) is (are) faulty (other electrical components
most likely affected as well).
The engine temperature is high (above 240
o
F / 115
o
C).
Engine temperature sender or circuit wiring is faulty.
The seat switch is faulty.
The engine run solenoid or fuel pump failed.
Wiring in the run circuit is faulty or disconnected (see
electrical schematic in Chapter 9 − Foldout Drawings).
Engine stops when the traction pedal is moved to the
FORWARD or REVERSE position with the operator in
the seat.
Operator is sitting too far forward on the seat (seat
switch not depressed).
Seat switch is faulty.
Seat switch wiring is loose, corroded or damaged.
Parking brake is engaged.
Parking brake switch is out of adjustment or is faulty.
Parking brake switch wiring is loose, corroded or
damaged.
Battery does not charge.
NOTE: If the alternator warning lamp is faulty, or the
alternator warning lamp wiring is loose, corroded or
damaged, the alternator warning lamp will not
illuminate when a charging system failure occurs.
Wiring to the charge circuit components is loose,
corroded or damaged (see electrical schematic in
Chapter 9 − Foldout Drawings in this manual).
The engine alternator belt is loose or damaged.
The fusible link connecting the engine starter motor to
the alternator is faulty.
The battery is faulty.
The alternator/voltage regulator is faulty.