Troubleshooting (Welder/Generator) - MULTIQUIP GAW180HE Operation And Parts Manual

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