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Hi i have a problem with pump 1 on my spaform hot tub, it wont run on low speed but will on high speed. I have changed the capacitors but this has made no difference. There is a kind of humming noise coming from the control board, is it possible the relay is faulty and if so are they interchangeable or is a complete control board necessary? Any help would be greatly appreciated.

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: hot tub pump will not

This can be one of three issues.
1.  Starting capacitor as you have suggested.  You can take the capacitor to a motor shop and have it tested or test it yourself if you have a meter that will check capacitance. 2.  Low/High voltage.  If the voltage is not at the proper levels (10% up or down) then the unit may have a hard time starting. 3.  Something might be binding up the impeller.  Disconnect the power and carefully check to see if the shaft of the motor spins freely. 4.  A short in the windings.  If none of these seem to be the problem, then you will probably need to replace the motor.

Posted on Jan 12, 2009

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SOURCE: Motor is hooked up correctly according to

You have 220v running into your motor, the red and the plack are in most cases the same 110v line and what your calling a white netural is a common line. In other words the second half of your 220v line. If your red and black are the two opposing 110v lines that make up your 220v and they are put on the motor and turned on they short aginst each other and blow the breaker. One of your 220v lines should come into your hi -low switch and then split to your high and low on the pump. The other half of your 220v line will go to the common or what your calling nuteral. The difference is a netural completes a 110v circut and a common completes the 220v circut it will take to run the motor. One of the splits will complete the low speed circut and the other will complete the high speed circut. You need to check your voltage comming into the spa, the way the spa is wired (110v-220v), and how the motor is wired (110v-220v). For your spa this will be in your owners manuel or on a scematic inside a panel or door and is quite often a plug you change from one spot to another. On your motor will have a scematic on the back of the motor that will tell you haw to adjust the wireing already in place on the wire board of the motor. This may sound deep but if all your voltages are set the same and your high and low are the same leg of power, this should fix your problem.

Posted on Oct 31, 2009

  • 366 Answers

SOURCE: I have a 2004 great lakes hot tub with a balboa

check to see that the flow switch is working properly, it may not have enough flow on low speed to allow the heater to turn on. Make sure your filter/s is/are clean. If you have a pressure switch instead of a flow switch, it may need to be adjusted or replaced.

Posted on Feb 09, 2010

Ian  Hot Tub
  • 77 Answers

SOURCE: Intermittent jet problem on Spa form hot tub

Hmm, that's an odd one. It could be either a fault with the PCB or the pump.

The first thing to check is the voltage to the twin speed pump. If that's ok the motor is probably the cause of the fault.

As always, with anything electrical you need to be very careful with what you're doing and if you're unsure seek professional help.

Regards,
Ian.
http://hottub.synthasite.com

Posted on Apr 17, 2010

jmeredith
  • 417 Answers

SOURCE: hello,I have an old jacuzzi

hi,

ok so when the pump is on high and the heater is running it doesent trip? you didnt say if it did. undo the heater leads so the pump is isolated completely. run the pump on the control centers gfci and see if it trips. if it does then try wiring directly - with an extension cord to a plug with a gfci in your house and see if it trips the gfci in your bathroom. if no trip inside house then bypass tubs gfci and run it with heater and pump through your bathroom gfci. if no trip then try and replace the tubs gfci, it gets pretty humid in the control center and gfci's have a semiconductor which which do fail after years of rough duty like that. if it trips the gfci in your house with the heater again it has a cracked heater element. craigslist always has old hot tubs and parts. you might have to buy a whole used old hot tub but that may be cheaper than a new heater box.

later

jm

Posted on Feb 22, 2011

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1 Answer

My pump will only work on speed 2, however ...it will only heat up on speed 1, so the hot tub is cold. Any idea??


Spas that are connected with the supply voltage of 120, will only heat on low speed.It is designed that way, so that when the motor switches to high-speed, heater will turn off, so that the current draw will not overload a common 15 a outlet.
by the description of your question, I would venture a guess, that the relay for low-speed, located on the circuitboard, has failed.
if I was the technician on site, doing a troubleshoot, I would want to know if the motor it's self is operational, on both speeds?
So I would bring in an alternate source of power, and test each speed individually, confirming whether or not low-speed actually does work?If it does not, then you know it is the low-speed side of the pump motor that has failed. But if low speed does work with alternate power, then you know it is in the controlling circuit.

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have you cleaned your filter recently. Sound like there may be a low flow error in low speed
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hi,

ok so when the pump is on high and the heater is running it doesent trip? you didnt say if it did. undo the heater leads so the pump is isolated completely. run the pump on the control centers gfci and see if it trips. if it does then try wiring directly - with an extension cord to a plug with a gfci in your house and see if it trips the gfci in your bathroom. if no trip inside house then bypass tubs gfci and run it with heater and pump through your bathroom gfci. if no trip then try and replace the tubs gfci, it gets pretty humid in the control center and gfci's have a semiconductor which which do fail after years of rough duty like that. if it trips the gfci in your house with the heater again it has a cracked heater element. craigslist always has old hot tubs and parts. you might have to buy a whole used old hot tub but that may be cheaper than a new heater box.

later

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I have a 2004 great lakes hot tub with a balboa controler. My hot tub heats up fine when the pump runs on high but the temp light never comes on when the pump runs in low.


check to see that the flow switch is working properly, it may not have enough flow on low speed to allow the heater to turn on. Make sure your filter/s is/are clean. If you have a pressure switch instead of a flow switch, it may need to be adjusted or replaced.

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This can be one of three issues.
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