Question about Little Giant APCP-1700 Swimming Pool Cover Pump Automatic

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There is power to the pump, but the pump will not come on. It has a pressure switch, the contacts are making contact, but the motor doesn't run. what should i check for?

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Some of these pumps are designed to shut off when there is no water. It will either sense the water or the pressure against the impeller when it tries to pump. Make sure that you aren't running it dry.

Posted on Aug 03, 2009

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Sometimes around the area of the motor there is a little button that is usually red that is made to "trip" if the pump got hot or overloaded. Push this button back in to reset if it has on. Most pumps have this button to keep them from burning up if overloaded.

Posted on Jun 24, 2009

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1 Answer

Why the heck is my compressor turning on and off, and on and off, and on and off?!


Has the compressor unit been modified?
The compressor motor should be the kind of power it is rated for. If it is a 120 volt compressor motor, the power feed needs to be of 120 volts.
If it is a 240 volt compressor motor, the power feed needs to be 240 volts.
If the compressor says it is 120/240 volts, then that needs to be checked, the wiring diagram given for the voltage applied must be followed.
Wrong voltage to the motor will cause an overcurrent or overload on the motor and cause the motor protection device to short cycle the operation of the motor.

If the above is correct in the compressor wiring, check the pressure switch.
The pressure switch energizes and cuts power to the motor directly. Is the pressure switch contacts staying closed? Is the pressure switch reading the tank pressure? The pressure switch has springs keeping pressure for them to stay closed, in contact, and if the contacts are pitted or defective, intemitent contact may show as a result.
Personaly, I think you have the compressor connected to the wrong voltage.

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Does this unit have a magnetic starter or just the pressure switch?Here are a few items I would check. Make sure power is unplugged. 1 - If it has a magnetic starter remove the box cover. you are checking the starter to see it has stuck closed. In the center of the starter should be what appears to be an indentation. use a screwdriver and push in on it. If it moves in and out freely it's OK. If it will not move you've found your problem.replace starter. 2 - Check the wiring to the starter. Black wire from motor should be on left bottom on overload. White motor wire should be on right bottom of starter. Incoming power should be located on top of starter left and right side. NO Starter, pressure switch only. 1 - Remove pressure switch cover. Inspect pressure switch contacts to see if they are open or closed. If contacts are open move on to wiring inspection.If closed drain all air out of tank. while draining air watch pressure switch contacts depending on pressure switch setting contacts should open around 130 - 135 psi. if all air drains out of tank and contacts do not open use a small screw driver and gently open contacts. They probably welded themselves together. If this is your problem I would get some new contacts. 2 - inspect wiring, left side of switch should have one wire from incoming power on top screw and motor wire on bottom screw. Right side of switch should have one wire from incoming power on top screw and motor wire on bottom screw. Good luck.

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I just installed a new booster pump for Polaris 280. It runs hot and it doesn;t seem to have enough pressure to make the sweep run. Any suggestions


Thank you for posting your question here on Fixya.com.


When you installed it were you careful to set the motor to the correct incoming line voltage? If not and you are powering it with 115V you probably didn't reset the motor for 115 from 230...factory set motors come out for 230 V. A motor set for 230 but running on 115 will be very hot and over time will begin to cycle its overload. The performance will be poor until corrected. Look for a dial in the terminal area or wires to be reconfigured. Directions for how to set the motor voltage should be found on the motor nameplate.


If this answer does not fix your problem, please comment with additional details prior to rating the answer. You may also contact me thru our website at www.arrowpools.net. Positive feedback is appreciated once your problem is solved!

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