FAM 15/30/50/70
Troubleshooting
HYDAC Filter Systems GmbH
en
Page
55 /
68
BEWA FAM15-70Siem 3099574e en 2009-10-08.doc
2008-10-06
Dry running E-pump
Step
Description
Fault "Dry running, E-pump"
1.
Cause: Insufficient inflow into vacuum chamber
2.
The suction-side pressure loss is too great. Possible remedies:
-
Clean the suction strainer.
-
Reduce the suction height
-
Reduce absolute pressure in the vacuum chamber
e.g. from 500 mbar
(abs)
-> 400 mbar
(abs)
.
-
Increase fluid temperature
-
Enlarge the diameter of the suction hose
-
Shorten the length of the suction hose
-
Check the 2/2-directional solenoid valve at the inlet
3.
Suction port in the tank sucks in air:
-
Position the suction port lower
-
Tank to be cleaned is too small
4.
Check the functioning of vacuum pump in manual mode
5.
Find and remedy corresponding cause
6.
To reset the failure, press the RESET key
7.
The failure is repaired.