Troubleshooting (Groundsmaster 3000–D)

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 Wiring Sche­ matics 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

Battery charge is low.

(if solenoid clicks, the problem is not with the Ignition

Battery cables are loose or corroded.

module or its inputs).

 

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 causing incomplete circuit for solenoid.

 

 

 

 

Nothing happens when a start attempt is made.

Wiring to start circuits (see Wiring Schematics) is

 

loose, corroded, or damaged.

 

Battery is dead.

 

20 ampere fuse to start relay or 10 ampere fuse to

 

ignition switch is blown.

 

Neutral switch is faulty or traction pedal is depressed.

 

Ignition switch is faulty.

 

Start relay is faulty.

 

Starter is faulty.

 

 

 

 

Engine cranks, but does not fire.

Wiring to start circuits (see Wiring Schematics) is

 

loose, corroded, or damaged.

 

Ignition switch is faulty.

 

A high temperature condition exists, high temperature

 

switch is shorted, or the high temperature relay is

 

faulty.

 

Fuel stop solenoid is faulty.

 

Preheating unit or components inputing into it are

 

faulty.

 

Engine or fuel system is malfunctioning (see Chapter 4

 

– Peugeot Diesel Engine).

 

 

 

 

Electrical System

Page 6 – 6

Groundsmaster 3000/3000–D

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Toro 3000D manual Troubleshooting Groundsmaster 3000-D