So far, (I haven't checked with an ammeter yet) today the pump failed to
start (and it's 27ºF) and when I pressed reset, I noted that the house
lights dimmed until the reset overload protector tripped (with quite an
audible 'pop' like when you short circuit 110vac). I had to make three
attempts to get the pump to finally start.

If you have a clamp ammeter, try measuring the amps on each leg while
starting.

N



I was planning to insert an AC VOM ammeter, but I don't have anything that
goes up to at least 50 amps to be safe for the surge starting current. And
even so, if the run current is ~7amps, what should the starting surge
current rise to? What's normal and what's too much?


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Take care,

Mark & Mary Ann Weiss

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