Festool VAC SYS - Manual (Page 18)

18
13 Fault correction
WARNING
All maintenance and repair work on the pump must be carried out by an au-
thorised service workshop only.
Problem Possible cause Remedy
Required vacuum
is not attained,
indicator on the
vacuum gauge
[1-3] in red sec-
tor.
Vacuum gauge faulty Replace the vacuum gauge (Festool Service)
Vacuum pump faulty
Repair or replace the vacuum pump (Festool
Service)
Hose and/or pipe connections are not
tight
Check the connections for leaks
Air fi lter partly blocked Replace the air fi lter
More than 2000 m above sea level
Slide valve worn Change the slide valve (Festool Service)
Clamping unit not connected Connect the clamping unit
Clamping unit not seated correctly on
the base surface Seat the clamping unit correctly on the base
surface
Unsuitable base surface (not airtight or
fl at)
Use a suitable base
Rubber seal underneath the contact
surface shows signs of damage
Replace the rubber seal
Foot valve faulty
Replace the foot valve
(Festool Service)
Insuffi cient
vacuum during
operation.
Vacuum hose faulty or leaking
Replace the vacuum hose; replace the hose
connector if necessary
Vacuum pump faulty
Repair or replace the vacuum pump (Festool
Service)
When using the clamping unit
VAC SYS SE:
Clamping unit does not form a seal
with the clamping plate
Suction cup on the workpiece not com-
pletely sealed
Stop work immediately and remove the work-
piece
Check the clamping plate and suction cup
The vacuum
pump does not
start.
Drive motor is overloaded or connected
to incorrect mains voltage Connect the drive motor to the correct mains
voltage
Vacuum pump faulty
Repair or replace the vacuum pump (Festool
Service)
Mains cable is too small or too long Use a mains cable with suffi cient dimensions
The vacuum
pump seizes.
Solid foreign matter has entered the
vacuum pump
Contact Festool Service
Slide valve broken
Replace the slide valve
(Festool Service)
The vacuum
pump makes
excessive noise
or rattles during
operation. Loose mains connection(s) Tighten or replace loose connections.
Foreign objects in the vacuum pump
Faulty bearings or worn slide valves
Contact Festool Service