TomB76
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Odd OHH fault on old Spaform M7-4000 Elite
TomB76 replied to reb78's topic in Portable Hot Tubs & Spas
Hi reb78, I appreciate this is an old thread but we have exactly the same issue on the same hot tub we inheriated 5 years ago. The OHH warning has started coming on, it appears the thermostate is not working as the hot tub just keeps increasing in temp until the OHH warning comes on. Did you find a solution? Many thanks Tom