Toro 3100-D Lawn Mower User Manual


 
Reelmaster 3100−DPage 5 − 24Electrical Systems (Rev. C)
Troubleshooting
CAUTION
Remove all jewelry, especially rings and
watches, before doing any electrical trouble-
shooting or testing. Disconnect the battery
cables unless the test requires battery voltage.
For effective troubleshooting and repairs, you must
have a good understanding of the electrical circuits and
components used on this machine (see Electrical Sche-
matics and Diagrams section of this chapter).
If the machine has any interlock switches by−passed,
they must be reconnected for proper troubleshooting
and safety.
Starting Problems
Problem Possible Causes
Starter solenoid clicks, but starter will not crank
(if solenoid clicks, problem is not in safety interlock
system).
Low battery charge.
Loose or corroded battery cables.
Loose or corroded ground.
Faulty wiring at the starter.
Faulty starter solenoid.
Nothing happens when start attempt is made. The traction pedal is not in neutral position or the
neutral switch is faulty.
Reel on/off switch is in the ON position or faulty.
The engine is too hot or the over temperature shut
down relay is faulty.
The battery is dead.
Fuse F1 or F3 is faulty or blown.
Loose or corroded battery or ground cables.
Loose or corroded ground.
Wiring in the crank circuit (see Electrical Schematics)
is loose, corroded, or damaged.
The ignition switch faulty.
Starter solenoid wiring loose, corroded or damaged.
Starter solenoid faulty.
The interlock relay is faulty.