Checking Generator Voltage At Receptacle - WACKER Group LTC 4 Repair Manual

Electrical Troubleshooting Procedures

7.13 Checking Generator Voltage at Receptacle

See Graphic: wc_gr003075
WARNING
7.13.1 Using the AC voltage setting on the multimeter, test the receptacle for
1000
F
V
200
20
2
200m
A
V- COM
wc_tx000429gb.fm
Electric shock hazard. Only qualified personnel should conduct this
test.
A quick way to check the function of the generator is to check voltage
at the receptacle. If the correct voltage is present, problems with the
lights not functioning will be associated with the circuit from the main
circuit breaker to the lights.
Complete this test with the machine running and both the main circuit
breaker and the receptacle circuit breaker in the ON position. If your
machine includes an earth-leakage circuit breaker, also place it in the
ON position.
120V±10% on 60Hz models; 115V or 230V±10% on 50Hz models.
• If zero (0) volts is measured, it indicates there may be a problem
with the generator. Before checking the generator, check the
receptacle reset button if equipped on your machine model.
Depress the button if it has "popped out". If the reset button will
not stay depressed, check the condition of the wiring to the
receptacle. See section Checking Receptacle.
• If the correct voltage is measured, the generator is functioning.
See the troubleshooting flowcharts for troubleshooting sequence.
1000
F
V
200
20
2
200m
A
V- COM
98
LTC Repair
wc_gr003075