Wacker Neuson GP 5600A Repair Manual

GP Repair Troubleshooting
wc_tx000548gb.fm 99
6.21 Auto Idle Circuit Troubleshooting—Flowchart 4A
wc_
g
r003115
Examine the mechanical linkage. Be
sure all parts are functioning.
Replace auto
idle switch.
Auto Idle Malfunctioning
Checking voltage to auto idle solenoid
With the engine running, check the DC voltage
between the two white/red (W/R) wires. There
should be 28±2VDC.
Is
correct voltage
measured?
Is
correct voltage
measured?
Is
correct resistance
measured?
No
Ye s
Is
correct voltage
measured?
No
Ye s
Is switch
functioning?
No
Ye s
Confirm the solenoid is malfunctioning by
measuring its coil’s resistance and by checking
action of plunger. Replace the idle solenoid.
Check fuse; replace if blown.
Check voltage at fuse.
There should be 20±2VDC.
Checking auto idle circuitry
between fuse and auto idle unit
Check function of auto idle switch.
Replace auto
idle unit.
Repair
wiring between
fuse and auto
idle unit.
Ye s
No
Check voltage to auto idle unit by
measuring between red and black
wires. There should be 20±2VDC.
Is rectifier
functioning?
Replace the
rectifier.
Ye s
Ye s
No
Checking auto idle circuitry
between generator and fuse
Check the rectifier.
Replace the
stator.
Check wiring
between winding
and fuse.
Also check sensing
wires.
Repair wiring as
needed.
No
Check resistance of DC winding.

Wacker Neuson GP 5600A Specifications

General

Brand	Wacker Neuson
Model	GP 5600A
Category	Portable Generator
Language	English