Variable speed 1 or variable speed 2 fan switches on, runs at full speed, and then turns off. Keeps cycling.

• Related Articles

• Variable speed 1 or variable speed 2 fan switches on, runs at full speed, and then turns off. Keeps cycling.

  Problem Variable speed 1 or variable speed 2 fan switches on, runs at full speed, and then turns off. Keeps cycling. Possible Cause The hysteresis is not high enough. The outside temperature is rising and falling quickly. This happens most often in ...

• Variable speed 1 or variable speed 2 fan switches on, runs at full speed, and then turns off. Keeps cycling.

  Problem Variable speed 1 or variable speed 2 fan switches on, runs at full speed, and then turns off. Keeps cycling. Possible Cause The hysteresis is not high enough. The outside temperature is rising and falling quickly. This happens most often in ...

• Troubleshooting - Variable speed 1 or variable speed 2 fan switches on, runs at full speed, and then turns off. Keeps cycling.

  Problem Variable speed 1 or variable speed 2 fan switches on, runs at full speed, and then turns off. Keeps cycling. Possible Cause Hysteresis not high enough. Outside temperature rising and falling quickly. Happens most often in the spring and fall. ...

• Variable fan runs at maximum

  Problem Variable fan runs at maximum Possible Cause Possible Solution Incorrect wiring Correct the wiring. The fuse is open or blown. Check why the fuse was blown and repair any problems. Replace the fuse. The variable stage is configured as OFF ...

• Variable fan runs at maximum

  Problem Variable fan runs at maximum Possible Cause Possible Solution Incorrect wiring Correct the wiring. The fuse is open or blown. Check why the fuse was blown and repair any problems. Replace the fuse. The variable stage is configured as OFF ...