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Sundance Optima Oh Display And High Heat Shutoff


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My 2004 Sundance Optima has begun having issues

It shuts down - we shut off the power for awhile

turn it back on - temp will show 97 o 98 degrees

within 10 minutes, temps start rising on display

then the OH display shows up and the tub shuts down at

112 degrees or so

Any ideas anyone?

Thanks

Steve

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My 2004 Sundance Optima has begun having issues

It shuts down - we shut off the power for awhile

turn it back on - temp will show 97 o 98 degrees

within 10 minutes, temps start rising on display

then the OH display shows up and the tub shuts down at

112 degrees or so

Any ideas anyone?

Thanks

Steve

My first question would be, "Is the water temperature actually rising to 112?"

You may have a problem with little or no circulation through the heater. In other words, you could have a blockage or a pump which simply isn't functioning properly, and thereby when the heater turns on, it's heating just the water inside itself. This will ultimately heat up very high and trigger the "High Limit" safety on your spa. Now, if the water in the hot tub itself is actually getting that hot, you may have a problem with the thermostat in the hot tub itself (which is why there's a separate high limit safety).

That's just my guess. :) Does your Sundance have the optional circulation pump, or does it use the jet pump to cycle water?

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My 2004 Sundance Optima has begun having issues

It shuts down - we shut off the power for awhile

turn it back on - temp will show 97 o 98 degrees

within 10 minutes, temps start rising on display

then the OH display shows up and the tub shuts down at

112 degrees or so

Any ideas anyone?

Thanks

Steve

My first question would be, "Is the water temperature actually rising to 112?"

You may have a problem with little or no circulation through the heater. In other words, you could have a blockage or a pump which simply isn't functioning properly, and thereby when the heater turns on, it's heating just the water inside itself. This will ultimately heat up very high and trigger the "High Limit" safety on your spa. Now, if the water in the hot tub itself is actually getting that hot, you may have a problem with the thermostat in the hot tub itself (which is why there's a separate high limit safety).

That's just my guess. :) Does your Sundance have the optional circulation pump, or does it use the jet pump to cycle water?

Thanks

The tub does have the circulation pump - is it possibly the temp sensor?

steve

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My 2004 Sundance Optima has begun having issues

It shuts down - we shut off the power for awhile

turn it back on - temp will show 97 o 98 degrees

within 10 minutes, temps start rising on display

then the OH display shows up and the tub shuts down at

112 degrees or so

Any ideas anyone?

Thanks

Steve

I had the same problem 2x on my 2003 Cameo.. Sorry, but I can't remember if it was a bad sensor/board/pump as the dealer just came out and fixed it both times. :(

It would show 112, but the tub was really like 98.

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