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Coleman BOARD MAAX 460 EL2000 M3 OHH Error


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First time owner... I have an older Coleman Tahoe that has a Balboa BOARD MAAX 460 EL2000 M3 control board. My issue started with a HoT error a few days ago that reset itself once it cooled down... Except it clearly wasn't overheated, it was cool. Eventually it reset itself once it seemed to cool down and read the correct temp. A few days later there was a low level alarm but topped it off and it cleared. Then yesterday found an OHH error, that won't clear. 

Pump 1 will run on low for a few minutes but nothing changes on the display, still just flashing OHH. No buttons respond on the display. 

Tried pulling temp sensors to get them to reset, but no response. Waiting for Balboa to respond with and instruction/ white sheets for troubleshooting but need some help knowing what direction to go or how to do a manual reset.

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Tried this last night and it didn't seem to help when I switched it back to normal, but came out this morning to a hot spa....?? So I guess the spa genie does exist? 😆 That was the last post on the other thread on this topic...😁

I wish there was a definitive answer to how/ why it was fixed though... My best guess is that putting it in the test mode reset something?

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  • 8 months later...

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