Variable AC fan has poor range

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• Variable AC fan not turning on

  If you find your variable AC fan is not turning on, follow the link below to find a troubleshooting flow chart to help diagnose and solve the issue. https://www.phason.ca/img/kb/001/var-ac-fan-not-turning-on.html

• Variable speed fan responds to only a small portion of the 0 to 100% range

  Problem Variable speed fan responds to only a small portion of the 0 to 100% range Possible Cause Incorrect motor curve Possible Solution Configure the stage to use the other motor curve.

• Why are my variable AC fans operating erratically?

  Are you using three-phase power? The control and the variable AC fan must be connected to the same phase of power. See Using Three-Phase power in the user manual for more information.

• Variable fan or variable heat element runs at maximum.

  Problem Variable fan or variable heat element runs at maximum. Possible Cause Possible Solution Incorrect wiring Correct the wiring. Minimum idle speed too high Decrease the mimimum idle speed setting. Variable speed range matches temperature set ...

• Variable fan or variable heat element runs at maximum.

  Problem Variable fan or variable heat element runs at maximum. Possible Cause Possible Solution Incorrect wiring Correct the wiring. Minimum idle speed too high Decrease the mimimum idle speed setting. Variable speed range matches temperature set ...