EN
11. Trouble-shooting
Fault
Water pressure in system has dropped
considerably; Water pressure drops
considerably when water is bled
(by more than 35% of the static
pressure)
Flushing water outlet does not close
Water pressure rises above the set-
point.
If the fault cannot be rectified using these notes, please contact a specialist firm or our
Customer Service.
12
Cause
Dirty filter element
Backwash element does
not reach the end position
due to large particles of
dirt
Setting and/or wear of the
sealing alements
Solution
Carry out backwash
Fully open and close turning
knob;
repeat backwash several
times
Re-adjust back pressure (see
Startup). If the pressure conti-
nues to rise the valve insert (11)
must be replaced.