Kohler Whirlpool tub motor wont turn on

they use seperate pumps and one of them is bad or needs new capacitor.

In my case I took the motor out and used a screw driver to turn the impeller in the front of the pump and the fins inthe back. Put it back together and it worked. I then used 2 tablesoons of dishwashing detergent and 1/2 cup bleach and ran it for 20 minutes to clean and degrease the impellers

DO NOT use products with glycerine or oil in any Jacuzzi or whirlpool bath. It will harm the jets. Label oil or glycerine-containing gifts, "Not for Jacuzzi or whirlpool!"

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Sounds like you may not have a ground on the motor of the pump or a grounded outlet?
check the wiring on the motor on the cord to make sure there are no wires improperly attached inside the motor housing.

you have a bad motor - when a motor overheats there is a sensor inside the motor that will shut if down so as to not damage the windings and such. once your tub has cooled down for 10 mins or so it will turn back on. the fact that you can push the button multiple times just means that you are turning the air switch on the back of the motor on/off until you get to the point where the motor has cooled down and will turn back on. if you do not push the air button after the tub shuts down and you finish your bath then when the pump cools down it will come back on because the air switch in the motor is latching i.e. it is either on or off. Since you left it in the on position the motor will come back on once the motor has cooled down.

those parts made by unimax as you have found out are no longer made. solution is to put a new pump and control in.

check to make sure the pumps on and that its wired correctly and that all valves are open.

Sounds as if you may need a new switch to turn the tub on/off. You can find one on our site www.uspartscenter.com

This is a problem common to all whirlpool/air jet style tubs. The pumps become air locked due to the water evaporating from lack of use. All tubs need, and have, SOME means of priming the pump, this is most likely what the problem was, originally, for you. This time in particular you found it to be electrical in nature but for future reference, for you and all who have these style of tubs, I am putting this out there. Some where on the tub, usually along the top edge of the tub is a vent knob that controls the amount of air that the pump is allowed to mix with the water for the jets, usually by closing this valve all the way (tub needs to be full of water of course) and running the pump for a minute or 2, you should be able to get the pump pumping water again, if not you may need to do something else with your particular set-up to get it purged of air, the pumps in jacuzzi tubs are designed to pump water, not air, so if the motor is running but you get no jet action, your most likely air locked and need to prime pump/purge air.