Maintenance
Maintenance operations
Carry out the following maintenance operations at the specified
intervals.
Maintenance operation as needed annually
Clean the button surface X
Check cables for intactness and firm
fit
X
Check screw connections for
tightness
X
NOTICE
Solvents contained in cleaning agents can attack the
plastic of the button!
4
Clean the surface of the button with a neutral cleaning agent
or a damp microfiber cloth.