Toro 3550-D Lawn Mower User Manual


 
Reelmaster 3550−DPage 5 − 14Electrical System
Starting Problems
Problem Possible Causes
Nothing happens when start attempt is made.
NOTE: If high engine coolant temperature (above
240°F (116°C)) causes the engine to stop, the engine
can be restarted for ten (10) seconds to allow the
machine to be moved. After ten seconds in this
condition, the engine will again shutdown.
The traction pedal is not in the neutral position.
The traction neutral sensor is out of adjustment or is
faulty.
The parking brake is disengaged and the operator seat
is unoccupied.
The reel enable/disable switch is in the ENABLE (up)
position or is faulty.
The engine coolant temperature is excessive or the
engine high temperature shutdown switch is faulty.
The battery is discharged or is faulty.
The battery cables are loose or corroded.
The ground connection is loose or corroded.
Fuse(s) is (are) faulty.
The fusible link harness at the engine starter motor is
faulty.
Wiring in the engine crank circuit is loose, corroded or
damaged (see electrical schematic in Chapter 9 −
Foldout Drawings in this manual).
The ignition switch is faulty.
Wiring at the starter solenoid is loose, corroded or
damaged.
Main power relay or circuit wiring is faulty.
The starter solenoid is faulty.
The TEC controller is faulty.
Starter solenoid clicks, but starter will not crank.
NOTE: If the starter solenoid clicks, the problem is not
in the interlock system.
The battery is discharged or is faulty.
The battery cables are loose or corroded.
The ground connection is loose or corroded.
The wiring at the starter is faulty.
The starter solenoid is faulty.
The starter motor is faulty.