Roasting Fan invertor/Drum invertor WPE
This means that the controller received too much power / the motor asked for too much power.
1.- Check if fuse 101F1 is in the right position.
2.- Remove the power supply of the machine for 5 minutes and connect back, the alarm should be gone.
In case that you receive an error on the regulator 101U1, let us know which is de code to tell you the cause and solve.