Well pump breaker's trip daily-help

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Old 03-14-08, 10:21 PM
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Question Well pump breaker's trip daily-help

we have a 4" grundfos SS submersible pump that is 6 years old. One week ago the breakers started tripping. After each reset we have water and good pressure. We checked the amp draw at the well and the pump seems ok even under a load. Any ideas? please help
 
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Old 03-15-08, 08:40 AM
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You might check the breaker itself. They do tend to get a little weak sometimes, and will trip out.
Take notice when the breaker trips. Is it after there has been a big demand on the pump, like watering the yard or something like that? Does the pump seem to take longer to pressure up the system, once it cuts in? Try to notice when the breaker trips. Does it do it when the pump tries to come on, or after it's ran a bit?
Does your pump have a control box?
Ron
 
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Old 03-15-08, 10:46 AM
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Do you notice very high pressure at times. Perhaps the pressure switch is not shutting off and the pump is over pressurizing the sytem. The increased back pressure could overload the pump.
 
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Old 03-15-08, 01:25 PM
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well pump trips breaker

Well we have five people in the house and the pump does seem to trip after everyone takes a shower and leaves for work or school. The breakers are tripped when we get get home at five. After resetting them water seems to pressure up normally. Pressure take gauge sets to about 60 under a minute. During use water pressure does not seem to fluctuate eradically. We did check the amps drawn and the pump seems fine. We did install a water softener but not on the same circuit. Our system is set up as-pump-pressure tank off a tee but also on this tee is the softner system
 
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Old 03-17-08, 08:37 AM
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Originally Posted by joed View Post
Do you notice very high pressure at times. Perhaps the pressure switch is not shutting off and the pump is over pressurizing the sytem. The increased back pressure could overload the pump.
this is not a reasonable explaination at all. if the pressure switch did stick and the pump built up an excessively high back pressure the impellas in the pump would up-thrust taking the load off of the motor. this would cause the amp draw to drop down to idle amps.
 
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