Service Manual

Table Of Contents
Groundsmaster 7200/7210Page 5 - 4Electrical System
Troubleshooting
CAUTION
Remove all jewelry, especially rings and
watches, before doing any electrical trouble -
shooting or testin g. 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 Chapter 8 -
Foldout Diagrams).
Make sure that all machine interlock switches are func-
tioning correctly for proper troubleshooting and safety.
NOTE: Use the Standard Control Module input and out-
put LED’s when troubleshooting a Groundsmaster 7200
or 7210 electrical problem.
Starting Problems
Problem Possible Causes
Starter solenoid clicks, but starter will not crank.
NOTE: If the starter solenoid clicks, the problem is not
in the interlock circuit.
Low battery charge.
Loose or corroded battery cables.
Loose or corroded ground connection.
Faulty wiring at the starter.
Faulty starter solenoid.
Nothing happens when start attempt is made. The traction levers are not in neutral locked position.
The traction neutral switch(es) is(are) faulty or out of
adjustment.
Parking brake is disengaged with seat unoccupied.
PTO switch is in the ON (up) position o r is faulty.
The engine coolant temperature is excessive or the
engine high temperature shutdown switch is faulty.
The battery is discharged.
Loose or corroded battery cables.
Loose or corroded ground connection.
Fuse F1, F2, F3 and/or F4 are/is faulty.
Fusible link harness at the engine starter motor is
faulty.
Wiring in the crank circuit is loose, corroded or
damaged (see Chapter 8 - Foldout Diagrams).
The ignition switch is faulty.
Starter solenoid wiring is loose, corroded or damaged.
Starter solenoid is faulty.
The Standard Control Module is faulty.