MULTIQUIP GAW180 Series, Operation And Parts Manual

Page: 38 / 98

PAGE 38 — GAW180HE/HEA WELDER-GENSET • OPERATION AND PARTS MANUAL — REV. #1 (10/01/19)
TROUBLESHOOTING WELDER/GENERATOR)
Troubleshooting (Welder/Generator )-continued
Symptom Possible Problem Solution
Voltage output too high. Engine speed too high? Lower engine speed to rated RPM.
Voltage output too high. Engine speed
normal 3650 RPM (unloaded), 2500
RPM (idle)
Control box internal wiring
malfunction
Check control box wiring.
Circuit breaker will not turn on "NO
LOAD"
Defective circuit breaker? Replace circuit breaker.
Loose connection? Inspect connections.
Circuit breaker will turn on "LOADED"
but trips immediately.
Overload Condition? Reduce load or replace breaker.
Load circuit is shorted? Check load circuit for short.
Loose connection? Inspect connections.
Does not accelerate from low to high
"NO LOAD"
Stuck solenoid? Check solenoid.
Bad Idle control switch? Check or replace idle control switch.
Does not accelerate from low to high
"LOAD ACTIVE"
Idle control switch malfunction? Check or replace idle control switch.
Idle control device malfunction? Check or replace idle control device.
Control box interal wiring
defective?
Check control box wiring.
Does not decelerate but has
"VOLTAGE OUTPUT".
Control box wiring malfunction?
Check control box wiring, replace any
defective components.
Defective solenoid? Check or replace solenoid.
Idle control device malfunction? Check or replace idle control device.