Troubleshooting Voltage Issues GPS 8500/GPS 9700
wc_tx000828gb.fm 16
3 Troubleshooting Voltage Issues
3.1 Determining Where to Begin
Prerequisites
Generator must be able to begin
Multimeter
Procedure
To determine where to start troubleshooting, follow the procedure below.
1. Remove the control panel (a) from the generator.
2. Disconnect the main wiring connector.
3. Start the engine.
4. Place the auto idle switch in the OFF position.
5. Measure the voltage between the red and white wires; also measure the
voltage between the blue and brown wires.
6. Turn off the engine.
This procedure continues on the next page.
1000
200
20
2
200m
F
V
A
V- COM
WARNING
Electric shock hazard. High voltage exists at the connector. High voltage can cause
severe injury or death.
f Never touch the internal terminals of the connector while the engine is running.
If Then
Between 100–140 VAC is measured in both locations, begin with step 10.
If 1.5 VAC or lower is measured in both locations, begin with step 1.
If more than 1.5 VAC is measured in both locations, begin with step 2.
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