Power cycle the ZAC36, that should get it out of its error.
May want to try moving the valve by hand, is it very hard to turn?
You could try forcing a re-calibration also, after power cycling it.
Power cycle the ZAC36, that should get it out of its error.
May want to try moving the valve by hand, is it very hard to turn?
You could try forcing a re-calibration also, after power cycling it.