Preventive Maintenance Auto Transfer Switch
Is there any preventive maintenance we should be doing on our Auto Transfer Switch? Heres why I ask - We just had an odd situation. Plugged into shore power a couple days ago as normal, then flipped...
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It wasn't excessive or low voltage, at least not per the Progressive Industries displayed readings. I can't quote the exact readings to you since I didn't write them down but both lines read E-0 for no errors detected.
