05 Sep 2010 
Support Center » Troubleshooter » Display shows "OH" Message on a Spa with a Digital System
Display shows "OH" Message on a Spa with a Digital System
Troubleshooting a spa with digital controls that displays "OH" message and nothing happens when buttons are pushed. Applies to Jacuzzi Brand spas with Platinum, Standard and Select series controls built between 1995 and 2001 and digital Z model spas.

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 Is the water temperature above or below the Maximum temperature of 104 degrees?

   

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