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Walter ChenAug 15, 2025
What to do if Rockwell Automation Allen-Bradley 1502 Controller contactor does not energize?
- BBrittany ScottAug 15, 2025
If your Rockwell Automation Controller contactor isn't energizing, several factors could be at play. Start by checking for loose connections in the control circuit and ensure they are tightened. Inspect the wiring from the coil to the terminal block assembly to rule out improper control wiring. Measure the control voltage, comparing it against the pick-up voltage specified in the Contactor Specifications. Verify the auxiliary contact assembly setup, and check the CR1 and CR2 relays to identify any faults.
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