Makita VC2211M Technical Information page 20

4. Turn on the power and the machine will start suctioning.
5. Gradually block the hose connection port with a plastic board, and then check whether Buzzer beeps at a pressure level
between -12.8 and - 9.6kPa.
Detailed explanation
- Block the hose connection port with a plastic board so that the pressure reads about between -12.0 and -11.5kPa.
- If Buzzer does not beep in about 10 to 30 seconds, block the port a little bit more with the plastic board.
Note: Check the air velocity during the 10-second interval after one filter is self-cleaned and before self-cleaning of the
other filter is started. Be sure to perform this check after self-cleaning of the filters has been done several times.
Note: You can confirm that Air velocity sensor works properly by checking the velocity when the hose diameter is set
toφ38. So you do not have to check with the diameter set toφ28.
Block the connection port
with a plastic board.
If Buzzer does not beep
(a) Check Vinyl tube (for the detection of the air velocity) whether it is installed and routed properly.
If Vinyl tube is not installed and routed properly, for example, if it is twisted or pinched, correct it.
Plastic board
If Vinyl tube is broken,
change it with a new one.
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