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I installed a mag starter the other day for a customer. He called me today and said the mon press or won't start. When i get there and check the voltage at the kill switch box, (it's a 240 single phase) L1 to L2 reads 322v. N to L1 was 140 same with n to L2. And so on and so on. Until now I have...

I'm installing a magnetic starter for a compressor and when I go to test the lines coming in I get- L1 to common 242v, LA to common 121v, then phase to phase I get 241v. It won't energize the 240 coil with or without pressure switch. I can manually push in the coil it will run but when I let go...