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I have a older cal spa hot tub. With a dually pump. The pump…

Customer Question
Hello. I have a older...
Hello. I have a older cal spa hot tub.
With a dually pump.
The pump on the right low speed does not start or make any sound. Therefore no circulation in the hot tub.
Heater stays off. But when i press the jets button the jets come on the heater turns on. And the tub gets hot as it should but jets have to keep running.
Could this be a capacitor or is did the one pump run its course.
How can i be sure?
Thank you in advance.
Submitted: 2 years ago.Category: Pool and Spa
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Customer reply replied 2 years ago
Should i have picked a expert first ? How long to get a response?
Answered in 7 hours by:
3/1/2016
Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago
garrygoeson
garrygoeson, Home Appliance Technician
Category: Pool and Spa
Satisfied Customers: 469
Experience: Over 27 years Repairing Pool & Spa Equipment,Gas Heaters,& Whirlpool Bath Tubs. Certified by many Pool & Spa Manufacturers.
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Hi:

My name is Garry. I'll be glad to assist with your spa.

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Customer reply replied 2 years ago
Hi garry. Glad to hear from you
Customer reply replied 2 years ago
What do you think of my question?
Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

I'll need a bit more info. Is the pump on the right a dually pump? Or is it a circulation pump? Every Cal Spa is different.

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Customer reply replied 2 years ago
I have a dually pump.
Motor center and one pump each side
Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

What model and year is your spa?

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Customer reply replied 2 years ago
Only one pump runs
Customer reply replied 2 years ago
Iam not sure of the year it is a cal spa
Customer reply replied 2 years ago
This was a hand me down sort of say
Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

Do you know the model name? Cal Spa is the manufacturer with many different models

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Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

On the dually pump, both pumps should run if the motor runs

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Customer reply replied 2 years ago
Could i maybe send a picture would that help ?
Like i said i know very little about the model of this unit as iam not the original owner
Customer reply replied 2 years ago
For some reason the spa does not run at all unless i press the spa button
Customer reply replied 2 years ago
It was running until Saturday afternoon
After shutting it down when i powered it back on. It would not run at all
Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

The one motor has a shaft on both sides that should turn both pumps. Is this the pump you are having trouble of only one of them running?

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Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

Some spas have a separate circulation pump in addition to the dually pump.

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Customer reply replied 2 years ago
only the one on the left runs when i hit the jets button.
At that point i can turn up the heat and the heater will start up and heat as it should
Customer reply replied 2 years ago
I will send a picture now is that ok ?
Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

If you could send a pic, that may be helpfull

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Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

Try to get a close up of the pump and the control box it is connected to.

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Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

I think your pic may have come through. Stand by while I check.

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Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

The pump that is shown on the right side of the control box, is that the dually pump? From the photo it looks like a single pump.

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Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

I can see this pump is the pump that is connected to the heater. Is this the one that does not run?

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Customer reply replied 2 years ago
It is a dually pump sorry if the pictures are not clear.
There is no other pump on the spa
A single unit (dually pump ) located behind the spa pack (heater)
Customer reply replied 2 years ago
That pump conects to the heater
Customer reply replied 2 years ago
What has me confused is that if i turn on jets (high speed )
Everything works as it should
Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

So when you set the spa to heat, Are you positive the pump on the right (going into the heater) does not turn?

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Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

It doesn't make sense to me, because if it is a dually pump, and the pump on the left turns, the pump on the right should also turn because there is only the one motor with a shaft on each end of the motor turning both pumps simultaneously.

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Customer reply replied 2 years ago
Iam positive
If i do not touch the jets button.
Simply power on the spa.
And set my temperature to lets say 102
Absolutely nothing will happen.
No sound nothing.Only when i press jets
They will come on and at that point heater light will be lit
And it will start to heat
Customer reply replied 2 years ago
It has me confused as well lol
Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

When you set the temp to 102, and don't touch the jet button, do you see any fault code messages on the display?

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Customer reply replied 2 years ago
No nothing comes on the display it acts as normal.
Customer reply replied 2 years ago
Fyi i have bypassed the safety suction feature. A while back but it worked fine after that point.
Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

There is on thing I think you could check. Do you have a volt meter or multimeter?

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Customer reply replied 2 years ago
Today i had a spa tech come out. He didn't do much at all before telling me i needed a new pump.
I just want to be sure before spending the 700 for a pump
Customer reply replied 2 years ago
To check the voltage coming from the spa pack to the pumps ?
Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

Well, if you have a meter, I'll can help you measure the voltage at the low speed winding on the pump.

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Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

When you set the temp to 102, the pump should start on low speed. If you are getting voltage there, but the pump wont run, that would confirm a faulty pump.

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Customer reply replied 2 years ago
I don't have one at the moment.
But i can check tomorrow.
Or lets say later today.
But the technician did check voltage going to the pump and told me it was sending the correct amount of power to itAnd that is when he said the issue was in the pump it self
Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

OK. If you believe he did this correctly, then that is probably what it needs. From the photos, there is a lot of rust and corrosion on the motor, so it is not out of the realm of possibility that the pump could be shot.

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Customer reply replied 2 years ago
But only the one pump on the right ?
Being that it is one motor operating both pumps.The motor is good if the one pump runs as it should.
What can be wrong with the failty pump ?
Could it be bearings and or seals ?
Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

You sent a schematic of the motor showing which wires go to the low and high speed. This is where you will need to measure the voltage to tell if it is correct to the motor

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Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

The one motor runs on two speeds, (low and high). It may be that the low speed portion of the motor is shot, and the high speed is good.

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Customer reply replied 2 years ago
I have spoken today with someone from pump repair guy joseph tamargo maybe you heard of him or seen his videos on this subject he recommended i change the pump bearings and seals
Customer reply replied 2 years ago
That is possible
Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

This is why you want to measure voltage at the low speed. From the photo, it looks like you will need to measure at red wire, terminal 2 and black wire terminal 1

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Customer reply replied 2 years ago
How can I determine that for sure ?
Customer reply replied 2 years ago
What would be the correct reading? I will do this later today
Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

If the bearings were bad the motor will not run at all.

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Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

Look at the motor label an find the voltage rating. It's not visible in the photo. It will be either 120 volts or 240 volts.

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Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

I saw the schematic in the last pic you sent

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Customer reply replied 2 years ago
Checking voltage from the area circled (the connection point of pumps)
It is reading correctly 240 volts
Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

You could measure voltage at the plug in connection at the box. I was referring to the connections at the back of the motor, but either on will work. Just make sure you are measuring the LOW speed only side of the motor, while it is trying to heat WITHOUT pressing the jet button.

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Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

If you measure 240 volts and the motor is NOT running, this will indicate you need to replace it.

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Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

let me know tomorrow if you like. I will need to leave for now.

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Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

ok?

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Customer reply replied 2 years ago
Replace the motor it self or could I rebuild the pump?
Thank you for writing back
Customer reply replied 2 years ago
I will reach out tomorrow
Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

Rebuilding the pump will not help because the motor MUST run for the pump to work.

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Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

Did this answer this for you?

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Customer reply replied 2 years ago
Understood thank you.
I will check tomorrow for low voltage and contact you again
Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

OK. Just keep in mind, it is not low voltage. It is LOW SPEED of motor at 240 volts.

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Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

Will check back tomorrow evening.

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Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

Have a good night

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Customer reply replied 2 years ago
Yea I understood. I meant check if it is not reading as it should
Customer reply replied 2 years ago
You too and thank you
Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

If you are getting 240 volts to the LOW Speed of the pump, and the motor does not come on, you will need to replace pump motor.

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Pool and Spa Expert: garrygoeson, Home Appliance Technician replied 2 years ago

Hi:

Just checking back to see if my help on this topic was satisfactory? Please let me know what your findings are ?

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Category: Pool and Spa
Satisfied Customers: 469
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Experience: Over 27 years Repairing Pool & Spa Equipment,Gas Heaters,& Whirlpool Bath Tubs. Certified by many Pool & Spa Manufacturers.

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