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Re: The pump lost vaccum, now the motor shut off and pump...
Prime the pump. If it still just hums, try to turn the impeller. If the impeller is not jammed, and the motor hums or it doesn't start at all, the motor may be bad. Check for correct voltage of the incoming power wires inside the motor connection housing. Sometimes turning the circuit breaker off, then back on will fix it.
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What is it? No power to panel or slight humming sound which indicated there is power? Can't be both. I would suggest that the humming sound if you put it on spin, will be the drain pump trying to go. If pump is left humming like that it will get hot & shut the power off until it cools down again. Pump hums when it has a blockage & can'y spin. Clear the blockage.
Most of the motors have an internal device called a clixon that detects excessive current and shuts off the motor. It then turns it on again when it cools off. If you wait and wait and there is power for sure at the motor terminals and the motor is not even humming then there is a problem in the motor. If it hums for a few seconds and quits humming for a while then the motor capacitor is bad or the motor is bad. I hope this helps.
Not many specifics to go on so I can't be too specific with a fix, but most of these type pumps use a capacitor start motor, if and/or when these capacitors go out, the motor will start hard or just hum until the thermal overload safety switch opens. Disconnect pump from power, open the capacitor cover and check for an indicator spot on the terminal end of the capacitor, if its other than white, the capacitor has been hot and needs to be replaced. If there is no indicator try replacing the capacitor anyway, they don't cost much and should be readaly available. The other common fault is a "lost leg " on a 240 Volt circuit, check for a blown fuse (one of two in the disconnect. If your not comfortable and experienced around electricity,Remember: if you don't kill the power, it can kill you ! Call an Electrician.
Chances are you have lost the start windings on your motor coil. A frozen motor can also be cause by a swollen motor shaft due to a leaking pump seal. If the wet-end part of the pump is in decent condition you can have just a new motor and seal installed. Its always better to buy a complete new Pump with factory warranty.
Either you need a new start/run capacitor or the bearings have seized. If it's been running loudly recently, the bearings have probably seized. If not, the start capacitor is probably bad. This can sometimes happen when the motor windings start to develop a short. If you replace the capacitor and it blows again, you'll probably need a new motor.
The pump is probably fine the motor is the problem. If it just hums it might just be the capacitor on top of the motor. Don't know how long it sat there not able to start. Was the motor extremely hot ? If it got too hot may have damaged the motor. Motor is replaceable without replacing the pump head.
This could be anything from a stuck impeller to bad windings in motor. If you open the pump at the lock ring and remove the difusser from the impeller you can see if you can spin the impeller, If it won't move is it something holding the impeller up remove it. If notit is probally a bad bearing and you should replace the motor. If the Impeller turns try turning it on and caerfully try to spin before it kicks the breaker. If it is sort of stuck and does not want to turn the motor is bad and needs to be replaced. If it spins and won't start same thing, If it spins and starts it is probally a start capicator. Shut the power off at the breaker remove the back of the motor the capacitor will be a small black or silver cylinder with 2 or 3 wires clipped to it. Remove this and take it to a motor shop and get an exact duplicate. and that should fix it. When putting back together be sure to lube all "O"rings and refill with water. Hope this helps.
the pump is stuck. remove motor.insert plastic pen into bottom of motor.remove impeller by turning counter clockwise.file bottom of impeller stem.put enough washers on the keeper clip to prevent the impeller and the pump housing from binding.reassemble and there you have it!!!!