21
Replacing the circuit board
6.Disconnectcablesatthecircuitboard.
7.Removehosefrompressuresensor
usingtweezers.
8. Only BVC professional / G:Unplugthe
ribboncablefromthecircuitboard.
9.Pressthetabsatthemainswitch
togetherandpressthemainswitchout
ofthehousing.Itisnotnecessaryto
removethecablesfromthemainswitch.
IMPORTANT!
Connectpersontogroundbeforecomingin
contactwithelectronicparts.