Checking the Function of the Fans


Qualified person

You can check the function of the fans by setting a parameter.

The basic procedure for changing operating parameters is described in the manual of the inverter or the communication product (see the operating manual of the inverter or communication product).

Procedure:

  1. Select the parameter Fan test or FanTst and set to On.
  2. Save settings.
  3. Check whether air is being drawn in through the bottom and is coming out of the upper ventilation grid and whether the fan is making any unusual noises.
  4. If no air is being drawn in through the bottom, no air is coming out of the ventilation grid, or the fan is making unusual noises, then the fan may have been installed incorrectly. Check whether the fan has been installed correctly.

    If the fans were installed correctly, contact Service Contact).

  5. Select the parameter Fan test or FanTst and set to Off.
  6. Save settings.