Confirming A Malfunctioning Circuit Breaker - WACKER Group LTC 4 Repair Manual

Electrical Troubleshooting Procedures

7.18 Confirming a Malfunctioning Circuit Breaker

See Graphic: wc_gr002458
WARNING
7.18.1 Remove the circuit breaker(s) from the control panel.
7.18.2 Place the circuit breaker ON-OFF switch in the ON position.
7.18.3 Using the Ohms scale on the multimeter, test the circuit breaker for
wc_tx000429gb.fm
Electric shock hazard. Only qualified personnel should conduct this
test.
Complete this test with the engine shut down.
continuity. If you measure no continuity ("OL" or "OPEN"), replace the
breaker. If the breaker has continuity, re-install it. Place ON-OFF
switch in the OFF position.
106
LTC Repair
wc_gr002458