SAB F450 Operation Manual page 40

Malfunction
Option
Valve error
State: 05.02.2016 – 1.3
Possible cause
Flushing valve does not
open resp. not close
Proximity switch defec-
tive/wrongly wired
Compressed air hoses
exchanged
Solenoid valve defective
Sound absorber in the
solenoid valve is blocked
Georg Schünemann GmbH, Bremen
Automatic Backflush Filter F450
Arrangements
Check function of flushing valve
(Fig. 9-1 resp. Fig. 9-3 / 6) .
Check compressed air supply.
Check function of end position
switch.
Check the compressed air hoses
for right connection.
Check function of magnetic valves
SV1, SV2 (see Fig. 9-1 resp. Fig.
9-3 / 13) and resp. change it.
Dismount Sound absorber and
clean it, if necessary exchange it.
7-5