Pump won't startup in low speed, even after replacing capacitor

[WillDeed]

Hey folks,

I bought this pump (link) 2 years ago and have been running it in low speed. Recently, it started doing what's in this video on startup (hums for a few seconds and then nothing):

I replaced the capacitor, but it's still doing the same thing. Works fine in high speed mode.

The tech I called out just said it's "burned out" and told me to just start using high speed mode instead, but high speed seems less efficient (and expensive).

Any chance it's fixable?

The tech also recommended running it in high speed for 8+ hours per day, since it's 100+ this summer but my electricity bill was $640 after doing that I might as well buy a new pump for that!

Any thoughts/recommendations appreciated.

 

[1poolman1]

Hey folks,

I bought this pump (link) 2 years ago and have been running it in low speed. Recently, it started doing what's in the attached video on startup (hums for a few seconds and then nothing):



I replaced the capacitor, but it's still doing the same thing. Works fine in high speed mode.

The tech I called out just said it's "burned out" and told me to just start using high speed mode instead, but high speed seems less efficient (and expensive).

Any chance it's fixable?

The tech also recommended running it in high speed for 8+ hours per day, since it's 100+ this summer but my electricity bill was $640 after doing that I might as well buy a new pump for that!

Any thoughts/recommendations appreciated.

Two-speed motors have two sets of windings in them. It sounds like the low-speed set has burned out, it happens. You likely could replace the motor but it would be good to tell what pump you have, not just the motor. That motor is still available online. With your older Jandy RS it might be the best (least expensive) option. Don't wait too long to decide as those motors are no longer being made due to DOE regulations. Old stock can still be sold.

 

[WillDeed]

Thanks for the reply, @1poolman1

The pump is a Hayward Super II Energy Efficient Pool Pump SP3020X252AZ | Pool Supply 4 Less

Does that mean there aren't any other compatible motors still being built?

I'm not very inclined to buy the same kind if they can only last 2 years, but if it means I have to replace the controller to use anything else, I guess I don't have a choice.

 

[JamesW]

Which capacitor did you replace?

Can you remove the back cover and show the wiring compartment?

Replace the start capacitor in the back.

 

[JamesW]

Motor type CXCP has a start capacitor and a run capacitor for the low speed and a run capacitor for the high speed (permanent split capacitor (PSC)).

Three capacitors on one pump motor?

Century 2HP 2-speed motor CAT B2984 230VAC. The capacitor under the top cover is 35+10 uF (it has three terminals). I believe that is the run capacitor. The capacitor under the end cover is 189-227 uF (it has two terminals). I believe that is the start capacitor. I learned that the 35+10...

www.troublefreepool.com

 

[JamesW]

 

[WillDeed]

Oooooooh, I did not realize it had separate start and run capacitors and only replaced the one on the top.

I'll go replace the start capacitor and see if that fixes it.

Thanks, @JamesW !