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Hot tub GFCI switch keep burning up. What could be the issues?

Pump will run on low, but when it is turned on to high and heat turns on the GFCI switch burns up. Never tripping the switch.

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This is an issue with amperage going to the GFCI. Check the length of wire going from the GFCI to the piece of equipment you are using. Make sure the wire is large enough for the total amps of the equipment you are using and the length of run from it to the GFCI

Rod
US Parts Center

Posted on Feb 04, 2013

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jmeredith
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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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Why does the spa trip the gfci when I turn the jets on high?


You need to make sure that it is a real GFCI and not a spark detection fault interrupter. When the pump is turned all the way up it may be causing a large spark that the SGCFI is detecting. If it is not that then there is a parasitic floating fault that is causing the issue.

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My spa depot hot tub keeps popping the breaker


http://waterheatertimer.org/Color-codewire.html
http://waterheatertimer.org/How-to-replace-circuit-breaker.html
http://waterheatertimer.org/How-to-wire-GFCI.html

What type breaker?
GFCI or ordinary heat-rated breaker?

Do NOT use two GFCIs on same circuit.
Spa needs GFCI to protect people while immersed in water.

You might have dangerous short, or leaking element, bad switch, bad wiring, bad electrical connection, or undersized wire and breaker.
If breaker is undersized for load, it can get loose on the busbar and then start arcing, and then tripping. Use nose to smell for burning. Feel breakers to see if they are warm. Move wire to different same-size breaker.

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When i turn on my spa and heater it states on the outside unit "no air flow" and it won't heat up


that is usually an indicator of water flow not the air flow.
What does the hot tub do when you turn the breaker from off to on?
does it run through the purge cycle?
is it kicking out the GFCI?
if it is not tripping the GFCI then you most likely have either too little water flow for the heater to kick in or not enough water flow to activate the heater.
Try taking out your filter and see if that solves the issue.
you may also have a bad temp sensor if the tub just runs and runs but never heats up.


Rod
US Parts Center
888-521-6183

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The hot tub heater keeps heating after it is reached temperature and turned off. How do you check the flow switch and adjust it possible solve this problem? Thank you in advance, Paul


This is likely an issue with the GFCI breaker not being ableto handle the load or a problem with the high speed of the pump. You can find answers to common spa orbath problems online at http://www.balboadirect.com/support.aspx Hope that helps!
Understand that this information isbeing provided as-is and without warranty or guarantee. As with allelectrical components and devices, all work should be performed by a licensedspa or pool technician. Serious injury or death can occur if a component isimproperly repaired or installed.

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Hello,I have an old jacuzzi vectra II hot tub (1988) 120 volt.the gfci on the unit trips every time the pump is on low speed with the thermostat calling for heat. there is no trip when there is no demand...


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

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The circut board was replaced everything powers up lights jets the digital display all program functions to program filtering cycle.while running operation seems normal.after aprox.from start of system to...


Do you have a model and serial number so i can spec components and a diagram?
The reset is a GFCI electrical or a high limit temperature switch?
If its a GFCI you have a leak or a short or the pump is drawing to many amps likely due to something in the impeller or plumbing restricting flow. Potentially its a shaft seal issue.
How hot is the tub when it trips? Try running it cold and see if it trips. If it doesnt and its still cold its the pump. If its hot and you set it to cold its a stuck relay or contactor or triac and therefore tripping a high limit switch.
If this is a hot tub/spa the pressure switch may be an issue. It shuts down the heat typically and keeps the pumps running.
If a reset switch of any type is tripped to many times it will continue to trip at a lower and lower value.
Just some tips, hope they help. Get back to me with some info.

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1 Answer

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.


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