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Groundsmaster 4500--D/4700--D Page 5 -- 19 Electrical System
Starting Problems (continued)
Problem Possible Causes
Engine cr anks, but does not start. Fuel tank is empty.
Engine is not cranking fast enough.
Fuel pump or circuit wiring is faulty.
Engine or fuel system is malfunctioning (see Yanmar
Service Manual).
Starter cranks, but should not when the traction pedal
is depressed.
Traction pedal position sensor is out of adjustment.
Traction pedal position sensor or circuit wiring is faulty.
General Run and Transport Problems
NOTE: Check InfoCenter Display for possible operator
advisories or faults whenever diagnosing machine elec-
trical problems.
Problem
Possible Causes
Engine continues to run, but sh ould not, when the
ignition switch is turned off.
The ignition switch or circuit wiring is faulty.
The alternator circuit is faulty (machines with 80 Amp
alternator)
The engine or fuel system is malfunctioning (see
Yanmar Service Manual).
Machine continues to run without an InfoCenter
Advisory, but should not, when the traction pedal is
depressedwithnooperatorintheseat.
The seat switch or circuit wiring is faulty.
Traction pedal position sensor is out of adjustment.
Traction pedal position sensor or circuit wiring is faulty.
Engine stops during operation, but is able to restart.
NOTE: Excessive engine coolant temperature will
cause the cutting decks to be disengaged and can lead
to engine shutdown. If excessive coolant temperature
causes engine shutdown, theoperator can restart theen-
gine to allow the machine to be moved a short distance.
After a restart in this condition, the engine will run for
approximately ten (10) seconds before the engine shuts
down again.
The operator is lifting off the seat switch while mowing.
The seat switch or circuit wiring is faulty.
The ignition switch or circuit wiring is faulty.
The engine coolant temperature is excessive.
Machine is being operated on a slope with a low fuel
level.
The engine or fuel system is malfunctioning (see
Yanmar Service Manual).
Battery does not charge. Loose, corroded or broken wire(s) in charging circuit.
The engine alternator belt is out of adjustment.
Battery is faulty.
The alternator is faulty.
Electrical
System