Troubleshooting; Troubleshooting; Starting Problems - Toro Greensmaster 3150 Service Manual

Troubleshooting

CAUTION
Remove all jewelry,
watches, before doing any electrical trouble-
shooting or testing. Disconnect the battery
cables unless the test requires battery voltage.

Starting Problems

Problem
Starter solenoid clicks, but starter will not crank
(if solenoid clicks, problem is not in safety interlock
system).
Nothing happens when start attempt is made.
Greensmaster 3150
especially rings and
Page 5 – 5
For effective troubleshooting and repairs, you must
have a good understanding of the electrical circuits and
components used on this machine (see Chapter 11 –
Wiring Schematics in this manual).
If the machine has any interlock switches by–passed,
they must be reconnected for proper troubleshooting
and safety.
Possible Causes
Battery charge is low.
Battery cables are loose or corroded.
Battery ground to frame is loose or corroded.
Wiring at starter is faulty.
Starter solenoid is faulty.
Starter mounting bolts are loose or not supplying a
sufficient ground for solenoid.
Starter is faulty and causing an incomplete circuit for
the solenoid.
Relay K2 has intermittent ground.
Battery is dead.
Wiring to the start circuit (see Wiring Schematics)
components is loose, corroded, or damaged.
Battery cables are loose or corroded.
Battery ground to frame is loose or corroded.
Starter solenoid fusible link is open.
Fuse block is faulty.
20 ampere fuse F1 is loose or blown.
Diode D1–B, or start safety relay is faulty.
The ignition switch is faulty.
Starter solenoid is faulty.
Neutral sensor is out of adjustment or faulty.
Electrical System