Fault
1701430 • 2018/11
JUDO JUKO-LF
15
6
Fault
Fault
Possible cause Remedy
Backwash
valve is not fully
closed.
Backwash water
continues run-
ning.
Dirt in backwash
valve.
Repeat backwashing and then turn the handwheel
fully home until it engages.
Water flow
decreases.
Sieve clogged.
Perform backwashing.
There are leaks
in the filter bowl.
Damaged seals. Inform the installer or the closest customer service
point.
Filter bowl
becomes
clouded.
Hairline cracks
on the filter
bowl.
Filter bowl was
exposed to high
temperatures or
solvents.
•
Inform the installer or the closest customer ser-
vice point.
•
If water escapes, close shut-off valves. Have the
filter bowl replaced immediately.
Inadmissi-
ble pressure
increase due to
process water
heating.
Check the safety relief valve of the warm water boiler.
Inform the installer or the closest customer service
point.
The down-
stream pressure
increases slowly
at zero flow.
Wear of the
pressure
reducer car-
tridge.
Have a new pressure reducer cartridge installed.
Troubleshooting
