Action
Reaction
Meaning
Case 1: After max. 3 min-
utes:
The LED of the “4l PP“
bottle symbol lights blue.
The LED´s of the suction
power display stop flash-
ing.
The red LED of the “bottle
change” key goes out.
The pump starts.
Adjustment successful.
Case 2: After max. 3 min-
utes:
All LED´s light.
All keys are without func-
tion.
The pump doesn´t start.
Adjustment not
successful.
Only if
“Adjustment not
successful.”
Step 4
Switch off the BVC.
All LED´s go out.
The level sensor retains
the original adjustment
values.
Step 5
Switch on the BVC.
The pump starts.
Repeat adjustment.
If adjustment is not suc-
cessful after several at-
tempts, please call +49
9342 808-5500 (after
sales service), or your lo-
cal VACUUBRAND sales
office.