I have a gate opener that has blown out three motor start capacitors (the
original, plus two replacements). I have replaced it one additional time,
but assume something else must be wrong. I have greased the rollers and the
movement of the gate is very easy (i.e. should not stress the motor).
However, after installing the new capacitor and opening / closing the gate
once (two traversals) the start capacitor is very hot. It seems to only be a
matter of time before it blows again. I had the electric motor rebuilt when
it blew the first time, but I am wondering if they just replaced the
capacitor and call it good. Is there anything I can do to find the root
cause of the problem? Any help would be greatly appreciated.
Check the line/circuit feeding the motor. My pool pump did something similar
and there was a short to the metal conduit the wires were pulled in. WAG
Only other thing I can think of is the gear box that the motor is connected
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