Troubleshooting GP Repair
wc_tx000548gb.fm 84
6.12 Checking Main Circuit Breaker and Receptacle Circuitry
See Graphic: wc_gr003140
Electric shock hazard. Only qualified personnel should conduct this
test.
If there is no voltage measured at the receptacles but there is voltage
at the generator terminal strip, you’ll need to check the following: the
wiring to the main circuit breaker, the main circuit breaker, and the
wiring to the receptacles. To check the circuit, carry out the following
procedures:
6.12.1 Remove the screws which secure the control panel to the frame and
remove the control panel from the frame.
6.12.2 Start the generator.
6.12.3 Check the incoming voltage to the main circuit breaker (a) by
measuring between each of the “Hot” terminals (b) (wires #102 and #5)
and ground. On GP 2500A models, measure between “Hot” terminals
(f) and ground. There should be 120V±10%.
• If 120V±10% is not measured, stop the generator and check the
continuity of wires #102 and #5. Repair or replace the wires as
needed.
• If 120V±10% is measured, continue.
6.12.4 Place the main circuit breaker in the ON position and check the
outgoing voltage from the main circuit breaker.
• If 120V±10% is not measured, stop the generator and replace the
main circuit breaker.
• If 120V±10% is measured, continue.
6.12.5 Check the continuity of the wiring to the receptacles (c, d, and e, or g
on GP 2500A models).
• If the wiring has no continuity, repair or replace it.
• If the wiring has continuity, the receptacle is faulty. Replace the
receptacle.
WARNIN
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