Troubleshooting Voltage Issues GPS 8500/GPS 9700
wc_tx000828gb.fm 26
3.8 Checking the Auxiliary Winding
Prerequisites
Generator shut down
Multimeter
Procedure
Follow the procedure below to check the auxiliary winding.
1. Shut down the generator.
2. Remove the rear panel from the generator.
3. Remove the wires from terminals Z2 and Z3 of the diode rectifier (a).
4. Measure the resistance between the wire connected to Z2 and Z1 on the choke
(b).
Is 1.8–2.0 Ohms measured?
The auxiliary winding has now been checked. Continue troubleshooting by
checking the choke.
Yes ____ No ____
The auxiliary winding is OK. The auxiliary winding has failed. Replace
the choke.
To Next Page
Loading...
