R-20 SM
5. TROUBLESHOOTING
Problem
Cause
Check
Solution
Valve does not open
1.
The Inlet pressure is
too low
1.
Check the inlet
pressure
1.
Make sure that the water supply
(or the pump) is on.
2.
The
3
-Way selector
(
3
) is set to "close".
2.
Check the position of
the
3
-way selector (
3
)
2.
Turn the
3
-Way selector (
3
) to
"auto".
3.
Blocked pilot
3.
No water coming out
of the pilot port #
4
.
3.
Contact A.R.I.’s field service
4.
The pilot’s adjusting
bolt (
4A
) is
completely close
4.
Check the position of
the pilot’s adjusting
bolt (
4A
)
4.
Turn the adjusting bolt (
4A
)
counter-clockwise, one turn at a
time, allowing sometime between
turns for the valve to respond.
Continue until the required
pressure is reached.
Valve does not close
1.
Debris on the sealing
seat
1.
The valve is constantly
discharging small
amount of water
1.
Turn the
3
-way selector (
3
) to
"open" for
5
seconds, and then to
"close".
If the problem continues, turn off
the water supply to the valve.
Remove the bonnet and
diaphragm, remove the foreign
object, and check that the
diaphragm, body and cover are not
damaged.
2.
The diaphragm is
damaged
2.
The valve is constantly
discharging small
amount of water
2.
Turn off the water supply to the
valve. Remove the bonnet and
replace the diaphragm.
3.
The
3
-Way selector is
in the "open"
position.
3.
Check the
3
-way
selector.
3.
Turn the
3
-Way selector (
3
) to
"auto" or "close" position
4.
Blocked self-flushing
filter (
2
).
4.
Disconnect the
control tube from the
self-flushing filter (
2
)
and check for free
water flow.
4.
Turn off the water supply to the
valve, remove the finger-filter and
clean or replace it.
Unstable upstream
pressure
Blocked or damaged
pilot
Unstable pressure
upstream of the valve
Contact A.R.I.'s field service
Incorrect but stable
upstream pressure
Wrong preset pressure
Readjust the upstream pressure as
described in the Initial Set-up chapter
(
2.4
).
Summary of Contents for Eliptix R-20-SM 3W
Page 14: ...R 20 SM 6 DIMENSIONAL DRAWING...
