Ivoclar Vivadent VP5 - Manual (Page 11)

11
8. What If ...?
8.1 Technical malfunctions
8.2 Repairs
Repairs may only be carried out by the personnel of a certified
Ivoclar Vivadent Service Center. Please contact your Customer
Service representative.
Malfunction
1 The pump is not working
2 The vacuum performance is
declining or is bad
3 Vacuum pump is unusually noisy
Double-check
– Is the pump correctly connected?
– Has the thermoswitch been
activated because of overheating?
– Sound absorber clogged
– Has the test program for the
pump been carried out?
– Is the sound absorber defective or
incorrectly mounted?
– Is there a leak in the furnace sys-
tem or the pump?
Action
– Connect pump correctly.
– Allow the pump to cool and
switch on again.
– Check pump location for
adequate circulation of air.
– If the problem cannot be solved,
contact your local Ivoclar Vivadent
Service Center.
– Replace sound absorber.
– Carry out the test program for the
pump (PX1).
– Send vacuum pump to Service
Center for maintenance.
– Connect sound absorber correctly
or replace it, if it is defective.
– Check connections and hose for
tightness.
– Clean sealing of the furnace head.
– Check pump performance with
the corresponding test program.