Troubleshooting; Starting Problems - Toro Groundsmaster 7210 Service Manual

Troubleshooting

Starting Problems

Electrical System: Troubleshooting
Remove all the jewelry, especially rings and watches, before doing
any electrical troubleshooting or testing. Disconnect the battery
cables unless the test requires battery voltage.
For the effective troubleshooting and repairs, you must have a good
understanding of the electrical circuits and components that are used on this
machine; refer to the Electrical Schematics in Appendix A—Foldout Drawings.
If the machine has any interlock switches that are bypassed, connect the
switches for the correct troubleshooting and safety.
Note: Use the Standard Control Module input and output LED's when
troubleshooting an electrical problem of the Groundsmaster 7210 machine.
Problem
All the electrical power is dead,
including the InfoCenter display.
The starter solenoid clicks, but the
starter does not crank.
Note: If the starter solenoid clicks, the problem
is not in the interlock circuit.
Nothing happens when you attempt to start
the engine. The InfoCenter display operates
with the key switch in the RUN position.
CAUTION
Possible Causes
• The batteries are discharged.
• The battery cables are loose or corroded.
• The fuse F1 (15 A) to the key switch
is damaged.
• The ground connection is loose or corroded.
• The key switch or circuit wiring is damaged.
• The battery charge is low.
• The batteries are discharged.
• The battery cables are loose or corroded.
• The ground connection is loose or corroded.
• The wiring at the starter motor is damaged.
• The starter solenoid or starter motor
is damaged.
• The traction levers are not in the
N
EUTRAL LOCK
• The operator seat is unoccupied
or the parking brake is not applied.
• The traction neutral switch(es)
is(are) damaged or out of adjustment.
• The PTO switch is in the O
(up) position or it is damaged.
• The engine coolant temperature
is excessive or the engine dual
temperature switch is damaged.
• The battery is discharged.
• The battery cables are loose or corroded.
• The ground connection is loose or corroded.
• The fuse F1, F2, F3, and/or F4 are/is
damaged.
• The fusible link harness at the
engine starter motor is damaged.
• The wiring in the engine crank circuit is loose,
corroded, or damaged; refer to the Electrical
Schematics in Appendix A—Foldout Drawings.
• The key switch is damaged.
• The starter solenoid wiring is
loose, corroded, or damaged.
• The starter solenoid is damaged.
• The Standard Control Module is damaged.
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Groundsmaster 7210
16222SL Rev C