Festool VAC SYS SE Notice D'utilisation D'origine page 19

Problem Possible cause
Insuffi cient supply of cooling air
The vacuum
pump becomes
extremely hot
and switches off. Mains frequency or mains power sup-
ply outside the tolerance range
Ambient temperature higher than 40 °C Stop work
Clamping not
Button valve on the suction plate faulty
possible.
Slide valve [6-1]
Valve sleeve [6-2] dirty
stiff.
Remedy
Ensure that the vacuum pump cooling system
is not hampered by dust/dirt.
Clean the ventilation grille,
Maintain the distance specifi ed between the
air vent slits and the wall
Establish a stable power supply
Clean the button valve (see 8 Service and
maintenance)/
Replace the button valve.
Clean the valve sleeve and apply a light coat
of grease
19