Baroness LM331, Service Manual, Page: 140 / 165

Problem Cause Reference
No charge
Faulty battery
Electrical System -
Measurement - Battery
Electrical System - General
Inspections/Repairs -
Battery
Insufficient fan belt tension
This machine's Owner's
Operating Manual
Faulty alternator charge circuit
Engine Maintenance
Manual
Buzzer warning about
overheating sounds
Block of the dust-proof mesh, radiator, and oil
cooler with dust and dirt This machine's Owner's
Operating Manual
Insufficient amount of coolant
This machine's Owner's
Operating Manual
Insufficient fan belt tension
This machine's Owner's
Operating Manual
Faulty thermostat
Engine Maintenance
Manual
Faulty thermometer switch
Engine Maintenance
Manual
Charge lamp does not turn off
Faulty alternator wire Inspect and repair the wire.
Faulty alternator circuit board
Engine Maintenance
Manual
Oil pressure lamp does not turn
off
Insufficient amount of engine oil
This machine's Owner's
Operating Manual
Faulty engine oil pressure
Engine Maintenance
Manual
Faulty engine oil pump
Engine Maintenance
Manual
Thermo-start (glow) lamp does
not turn on
Faulty lamp bulb Replace the lamp bulb.
Faulty fuse (glow lamp, glow timer)
Electrical System -
Electrical Components -
Fuse box
Faulty glow lamp timer
Electrical System -
Electrical Components -
Glow Lamp Timer
LM331
Troubleshooting
Page 7-4
Engine Related