Fan fault

What does FN mean?

This indication appears on the operation panel when the inverter's cooling fan stops due to a fault or operates incorrectly relative to the setting of Pr. 244 ('cooling fan operation selection'). This applies to inverters equipped with a cooling fan.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Replace the cooling fan unit if it is determined to be faulty.