Error messages / troubleshooting
FAM 15/30/50/70 ATEX
en(us)
Page 58 / 96
BeWa FAM15-70 Atex 3193049h en(us) 2013-06-19
2013-06-19
[H13] Dry-running, E-pump
Step
Description
Fault "Dry running, E-pump"
1.
Cause: Insufficient inflow into the vacuum column.
2.
The suction-side pressure loss is too great. Possible remedies:
-
Clean the suction screen
-
Lower the suction height.
-
Reduce the absolute pressure in the vacuum column
e.g. from 500 mbar
(abs)
-> 400 mbar
(abs)
.
-
Increase the hydraulic fluid temperature
-
Increase the cross-section of the suction hose
-
Shorten the suction hose
-
Check the 2/2 way solenoid valve on the IN connection
3.
Suction port in the tank sucks in air:
-
Position the suction port lower in the reservoir
-
The reservoir to be cleaned is too small.
4.
Check the function of the vacuum pump in manual mode
5.
Find the cause and fix it.
6.
Press the RESET button to acknowledge/reset the fault.
7.
The fault is repaired.