What to do if the suction beam cannot be raised or lowered on a Kärcher BR 100 R Floor Machine?
- SStephanie VargasSep 6, 2025
If the suction beam on your Kärcher Floor Machine cannot be raised or lowered: – Check and replace fuse (F4) if necessary. – Ensure the lifting mechanism is not blocked. – Test the microswitch (S30, S31) and replace if necessary, using test mode. – Test the program selector switch (S9) and replace if necessary, using test mode. – Test the lifting motor (M30) and replace if necessary, using test mode. – Check cable connections and replace defective cables. – Test the lifting module printed circuit board (A4) and replace if necessary, using test mode.









