Error messages / troubleshooting
FAM 25/45/60/75/95
en(us)
Page 145/160
BEWA FAM25-95 3402054f en(us) 2013-06-13
2013-06-13
33. Vacuum column overflow -> drain vacuum column and troubleshoot
cause
Cause:
The E-STOP MAX switch point in the vacuum column was
reached. All of the pumps (except the evacuation pump) are
switched off.
The timer runs 4 minutes and 10 seconds. The level did not fall
below the MAX switch point during the time, the FAM switches
off at once, message appears on the display.
Remedy:
Perform the following steps:
Step
Description
1. Message:
33. Vacuum column overflow -> drain vacuum column and troubleshoot
cause.
2.
Start the evacuation pump using the Manual menu.
3.
Monitor the evacuation time on the basis of the table below.
->a. Emptying duration is correct.
-> proceed to Step 6.
4.
->b. Emptying duration is not correct.
-> proceed to Step 5.
5.
Check the evacuation pump for
proper functioning.
-> proceed to Step 7.
6.
The vacuum in the vacuum
column too low.
-> increase the vacuum (e.g. from
300 mbar -> 400 mbar)
7.
Start automatic operation.
Emptying duration for the vacuum column in seconds:
Voltage with 50 Hz
Voltage with 60 Hz
Filling level marking
Filling level marking
FAM
MIN
MAX
E-STOP
MAX
MIN
MAX
E-STOP
MAX
25
31.8
39.7
50.8
29.4
36.8
47.0
45
19.6
24.5
31.3
18.7
23.3
29.8
60
23.4
29.2
37.3
21.0
26.3
33.6
75
18.1
22.6
28.9
16.8
21.0
26.9
95
15.6
19.5
24.9
15.0
18.8
24.0
A deviation of +/- 10 seconds is within the tolerance.