Dynamo Pool 1 HP Pump keeps tripping breaker
SOURCE: Rule H53sp-24 pool cover pump trips GFI breaker
GFI devices are prone to degrade over time. Also, when used outdoors there are additional moisture issues that may cause sufficient current leakage to trip the breaker.
I had a similar problem this Spring. I was using a 20 amp GFI "master" outlet that protected two additional outlets 'downstream' of it (wired to the 'load' terminals on the GFI outlet- I'd have the check the doc. to see what terminology was used here). The pump was plugged into one of the downstream outlets.
Replacing the GFI seemed to solve the problem. I did ante up $20 for an 'outdoor' model of the 20 amp GFI unit, several bucks more than the standard 'indoor' unit - have no ideal if that represented additional value or not.
Note also, that this is the third such pump I have used for my pool cover. The other two failed to come on at all after about a year's use. The mfg replaced them under warranty (I may have had to send back the old pump - I forget!).
Curtis
SOURCE: rule 1800 pool cover pump trips breaker
It sounds like the pump motor has shorted. Probably time to invest in another one.
SOURCE: dynamo pump is locked--just hums
Try turning the motor from the back. Remove the end cover and turn the shaft. If it still hums the motor will need to be replaced.
SOURCE: motor feels bound and hard to turn...
If there is a capacitor on it, you could replace that. If there is no capacitor the starting switch is probably broken. If you are not used to working with electricity, either have someone qualified work on it or...BE CAREFUL!..God luck...Lee
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