VACUUBRAND PC 3001 basic pro - Manual (Page 36)

page 36 of 54
Fault Possible cause Remedy
❑ Pump does not
achieve its ultimate
vacuum or usual
pumping speed.
➨ Pump temperature too
high (motor speed re-
duced)?
✔ Ensure sufficient cooling
of the pump or reduce
inlet pressure.
❑ Pump too noisy. ➨ Atmospheric or high
pressure at the pump
inlet?
✔ Connect hose or silencer
to pump outlet. Be careful
not to cause outlet over-
pressure, especially with
condensable vapors.
➨ Diaphragm crack or
diaphragm clamping
disc loose?
✔ Perform maintenance.
➨ Other than above men-
tioned causes?
✔ Contact local distributor.
❑ Pump seized. ✔ Contact local distributor.