Miele SAB100 ACCU NOVA Operating Instructions Manual page 10

...the indicator "Operation / Blocking
protection" lights red.
The roller brush is blocked.
^ Turn the vacuum and brush off.
^ Remove the blockage and turn the
vacuum and brush on again.
,
Only use genuine Miele spare
parts.
Parts are available from your Miele
dealer or from Miele.
Rechargeable battery:
Type ACCU NOVA A
10