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Thread: OH error code

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    OH error code

    Our Jacuzzi J350 is about 8 years old, is under truss on the patio & has a spa cover. The last couple of days when we checked it we have found it off & the circuit breaker tripped. When I reset the breaker the dreaded OH error code is shown. When I shut the breaker off & on again then the display is normal. I have seen the temp gauge go downward reading the current temp but a it may immediately shoot up to 112-114 then pop the breaker. (Of course the water canĀ“t be that hot with the power off for a day. ) Upon reset OH is shown once again.

    I can turn on the Jacuzzi & it will power on the pumps, lights, heater, etc. but it has to be just after resetting the breaker, usually twice.
    It has gone through 2 of the 20 minute cycles but will trip the breaker again.

    We did a drain & fill 4 weeks ago but havenĀ“t used it in 2 weeks & at that time it was working great.

    Can somebody tell me what to look for in regards to the OH error.
    I pulled the side panels off & donĀ“t see any leaks, the floor around it isnĀ“t wet, etc.
    I did see that the ozonator indicator is off. Could my problem be caused by the ozonator?

    Thanks for any help and suggestions,
    Steve
    Cape Coral, FL

    2003 Jacuzzi Premium J350 w/ozonator & cover

  2. Back To Top    #2

    Join Date
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    Re: OH error code

    Try disconnecting the ozonator. If the breaker stops tripping, replace it. If the breaker trips again, disconnect the heater element (caution HIGH VOLTAGE) and try it again. If that fails, disconnect the Hi Limit and check it's continuity (closed=good). If it still trips, it's likely to be the board.

    Scott
    Owner of - PoolGuyNJ LLC
    Expert Pool and Spa Repairs, Renovations, and Augmentation. Helping people decide what is the right gear for meeting their needs. Expectations Set, Expectations Met, No Surprises.

  3. Back To Top    #3
    spishex's Avatar
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    Re: OH error code

    It may be an issue with water flow to your heater. Errors like this often come from a temp sensor on the heater itself rather than in the water.

    Open the access panel, turn on the tub and get the heat to come on. Pay attention to the heater and any noises you might hear coming from it. If it starts to make any strange popping/cracking/bubbling noises then it's not getting adequate water. Clean your filters, check to be sure the circ pump isn't air locked and that the return for it isn't obstructed.

  4. Back To Top    #4

    Re: OH error code

    PoolGuyNJ, I disconnected the ozonator & the breaker tripped. I then disconnected the heater & the breaker tripped again. If you can tell me where the HI limit switch is located I will test it & report back.

    Spishex, I canĀ“t get past the circuit breaker tripping long enough to check any pumps or noises.
    When I reset the breaker & turn it on then it immediately trips once again. When I did get it to stay on (only twice) both pumps & the heater worked.

    Thanks again for the help,
    Steve
    Cape Coral, FL

    2003 Jacuzzi Premium J350 w/ozonator & cover

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    spishex's Avatar
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    Re: OH error code

    You'll need to try the other components to rule out the circuit board, so try disconnecting the pumps, light and anything else. Could be that the circ pump has gone out, which would have given you heater problems up front and breaker tripping later.

  6. Back To Top    #6

    Re: OH error code

    Sorry for the late post. I did unhook everything from the mobo & tried plugging in items one by one to troubleshoot. It appeared to be the sensor harness as that is what tripped the breaker. I plugged everything in once again, without the sensor harness plugged in & the breaker tripped again.
    So with me being Stumped big time, I called an electrician friend over to help out. When he gets here & we get it figured out & fixed I will post back with the results.
    Steve
    Cape Coral, FL

    2003 Jacuzzi Premium J350 w/ozonator & cover

  7. Back To Top    #7
    spishex's Avatar
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    Re: OH error code

    Have you tried running it with just the heater disconnected? If it's 230v you may be getting 115v through your topside control/flow switch and then the other 115v through the high limit circuit. That would cause it to trip when either circuit was closed.

  8. Back To Top    #8

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    Re: OH error code

    The heater should always be the 1st thing disconnected since it is the #1 cause of a spa GFCI trip problem. #2 is an ozonator, then blower, then a motor and board.

    Scott
    Owner of - PoolGuyNJ LLC
    Expert Pool and Spa Repairs, Renovations, and Augmentation. Helping people decide what is the right gear for meeting their needs. Expectations Set, Expectations Met, No Surprises.

  9. Back To Top    #9

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    Re: OH error code

    My GFI breaker went bad on mine and would always keep tripping the breaker.
    So simple, it almost made me go nuts fixing it myself.
    Swim n Play 21' round, expandable 72" liner, 6FT deep center, buried 14", 12,750 Gallons
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    Thanks to TFP my pool is perfect all the time :party:
    I now suffer from Sparklypoolitis! :whoot:
    I am a Platinum contributor because I want everyone who comes here to Trouble Free Pool to have the same success that I enjoy with my pool and family.

  10. Back To Top    #10

    Join Date
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    central pa
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    Re: OH error code

    i had the same problem...i had used a clarifier meant for swimming pools, super concentrated..it clogged everything up, and when i reset the breaker, it would work to a certain point, trip the breaker, and i would have error messages, either oh or --...when i got new filters and had used a product that runs through the plumbing and cleaned it out (warm water), it's worked fine..i guess when the flow of water was restricted, a safety feature kicks in, or it would just overheat...(i could circumvent this by removing the filter untl i got in, but eventually it did it without the filter)....good luck
    18x36 IG Vinyl. ~29k Gallons.
    Pentair CCP420 Cartridge Filter
    Pentair Inteli-flow VS Pump
    Hayward Goldline SWG
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  11. Back To Top    #11

    Re: OH error code

    I apologize for this late reply, but.. the heater shorted out & ruined the circuit board. Also the circulating pump was bad. All these were replaced in January. The spa repair company also gave us a new ozonator.
    I drained & refilled the tub so we started out with everything fresh.
    Everything has been working ok but we have had a leak that I couldn't at first locate.

    It appears there is a sensor wire inside a hose that is probably mounted at the bottom one of the filters & it looks like the hose is glued to the filter housing.
    Is there a sensor located there & how in the blue blazes do I change it out.???

    I tried posting pictures but they are too large so I am trying photobucket.

    http://s1147.photobucket.com/albums/o553/09lancer/

    Thanks for any help and/or tips.
    Steve
    Cape Coral, FL

    2003 Jacuzzi Premium J350 w/ozonator & cover

  12. Back To Top    #12

    Re: OH error code

    Does anybody have an idea on what I can do to stop this leak? I am having to use a suction pump every other day to get the water out of the base of the tub.

    Since I can't see down there, hopefully we don't have any mildew or mold growing in that area.

    I sure would appreciate any tips or help.
    Steve
    Cape Coral, FL

    2003 Jacuzzi Premium J350 w/ozonator & cover

  13. Back To Top    #13

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    Re: OH error code

    if you can find the leak, oatey makes an all purpose boding putty that you knead together and put over the leak....i used it on some pvc pipe that i had plumbed into my pool equipment that leaked, didn't want to recut it and do it again, and the stuff worked great..i imagine if it's just a small leak you could force the stuff in there, (you might have to drain the tub), and if it's a pipe this stuff is made just for that...it's oatey fix a stick...you said you can't see the leak...does this mean you haven't taken the sides off the tub?...most everything is accessible if the sides are off the tub...good luck
    18x36 IG Vinyl. ~29k Gallons.
    Pentair CCP420 Cartridge Filter
    Pentair Inteli-flow VS Pump
    Hayward Goldline SWG
    Tigershark QC Robot

  14. Back To Top    #14

    Re: OH error code

    Thanks for the reply jpg11124. I do have the sides off & found the leak.
    The leak is coming out of a tube that has a wire going through to what I am guessing is the dual filter housing. I think the wire leads to a sensor as the other end goes over to the control panel.
    I thought about gluing up the end of the tube but wanted somebody else that knows more about hot tubs to let me know that is an OK thing to do.
    Although a very small leak, it is enough that I have to suction out the water from the base every other day.
    I have pics posted on photobucket, please see my previous posts for the link.
    Steve
    Cape Coral, FL

    2003 Jacuzzi Premium J350 w/ozonator & cover

  15. Back To Top    #15

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    central pa
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    Re: OH error code

    that stuff i mentioned will plug any leak, be assured...if there' a wire going up it i don't know..but a leak's a leak and that stuff'll stop it
    18x36 IG Vinyl. ~29k Gallons.
    Pentair CCP420 Cartridge Filter
    Pentair Inteli-flow VS Pump
    Hayward Goldline SWG
    Tigershark QC Robot

  16. Back To Top    #16

    Join Date
    Feb 2012
    Location
    central pa
    Posts
    7

    Re: OH error code

    i just looked at the picture and i'm sure as you've sumrised plugging the end ofthe tube isn't going to stop the leak...if it's possible to follow the conduit and find where the wire is going into whatever, then seal it there...if it means ripping off the insulaton, you can alwys replace it with that spray foam insulation found at hardware stores
    18x36 IG Vinyl. ~29k Gallons.
    Pentair CCP420 Cartridge Filter
    Pentair Inteli-flow VS Pump
    Hayward Goldline SWG
    Tigershark QC Robot

  17. Back To Top    #17

    Re: OH error code

    I did pull off the insulation & found that tube goes into the filter housing. And there is a sensor on the inside of the filter housing. My owners manual doesn't tell me which sensor it is, but I guess when I drain the tub next time I can pull the sensor out to see what it does. Unless somebody here knows what sensor it is so I can get one ahead of time?
    Steve
    Cape Coral, FL

    2003 Jacuzzi Premium J350 w/ozonator & cover

  18. Back To Top    #18

    Re: OH error code

    When we did our drain & fill I pulled out the sensor from the filter housing. I think it is a temp sensor. Anyway I replaced the gasket (larger than a hose bib gasket) & used teflon thread tape on the threads. So far my leak has not returned.
    Thanks for all the replies.
    I'm sorry I did not post my fix earlier but my memory isn't what it used to be.
    Thanks again...
    Steve
    Cape Coral, FL

    2003 Jacuzzi Premium J350 w/ozonator & cover

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