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Thanks to everyone, I should have started with the easiest solution first. The switch was off, how that happened I can't imagine. Saved me $130

Wow, it was. Do you know what on 1 and on 2 mean?

Thank you, I switched the leads and the good valve stopped working so I know it's the actuator. Thanks again for the advice

When I select the Spa with heater choice the Spa drains. It has worked fine until now. I watched the actuator and it turned to the right. I can't tell from the operation guide how to check the programming. Not sure what changed to make it stop working properly. The heater comes on but empty Spa.