MULTIQUIP GAW180 Series, Operation And Parts Manual

Page: 37 / 98

GAW180HE/HEA WELDER-GENSET • OPERATION AND PARTS MANUAL — REV. #1 (10/01/19) — PAGE 37
Troubleshooting (Welder/Generator )
Symptom Possible Problem Solution
No Arcing
Loose or disconnected wires? Check wire connections.
Defective generator? Check or replace generator.
Defective control unit? Check or replace control unit
Defective current regulator? Check or replace current regulator.
Defective output terminals Replace output terminals.
Current or ARC force regulator not
working properly
Loose or disconnected wires? Check wire connections.
Defective control unit? Replace control unit.
Defective current or ARC force
regulator?
Replace current or ARC force regulator.
No AC voltage output.
Loose or disconnected wires? Check wire connections.
Defective generator? Check or replace generator.
Defective control unit? Replace control unit.
Defective circuit breaker? Replace circuit breaker.
Overheating
Overload? Reduce load.
Poor ventilation?
Check air space around welder-generator.
Make sure there is at least 3.0 ft./1 meter
clearance on all sides of the welder-
generator.
Stator winding malfunction? Check or replace stator.
Leakage breaker malfunction? Check or replace CB1.
Low voltage Engine speed too low? Raise engine speed to rated RPM.
Low voltage, 3650 RPM (unloaded),
2600 RPM (idle)
AC voltmeter not working? Replace AC voltmeter.
Control box internal wiring
malfunction?
Check control box wiring.
Rotor winding malfunction? Check or replace rotor.
Stator winding malfunction? Check or replace stator.
Leakage breaker malfunction? Check or replace CB1.
TROUBLESHOOTING (WELDER/GENERATOR)