3-20
The vacuum motor doesn’t work properly
1) The vacuum motor is not powered
properly
⇒ Check the power connections on the
vacuum motor.
2) (Only BB) The vacuum motor
switch doesn’t work
⇒ Replace the vacuum motor switch.
3) (Only B-BT) The display shows an
alarm message
⇒ Refer to the proper section (see section
5.13.1 at page 54).
4) The vacuum motor carbon brushes
are worn
⇒ Replace the vacuum motor carbon
brushes.
5) The vacuum motor is supplied but
it doesn’t work
⇒ Replace the vacuum motor.