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Phason Support Forum » Frequently asked questions (FAQs) » All controls » Inlet actuator works in manual mode but not in automatic

Inlet actuator works in manual mode but not in automatic

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Possible cause

  1. Actuator is not calibrated properly
  2. Settings are not correct

Solution

  1. If calibration does not fix the problem, follow the instructions here to check the feedback wiring and potentiometer condition. Incorrect or damaged wiring is almost always the cause of this problem.

  2. Review the actuator settings and ensure they are correct. The set points should be the same or close to the cooling stage set points. This will match the inlet opening to the fans turning on.

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