A.R.I. Eliptix R-20 RM 3W, Установка, Эксплуатация, Обслуживание, Страница: 13 / 15

IOM
R-20 RM
13
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 #
2 port.
3. Contact A.R.I.’s field service
4. The pilot’s adjusting
bolt (
4A ) is
completely open
4. Check the position of
the pilot’s adjusting
bolt (
4A )
4. Turn the adjusting bolt ( 4A )
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 downstream
pressure Blocked or damaged
pilot Unstable pressure
downstream of the
valve Contact A.R.I.'s field service
Incorrect but stable
downstream pressure Wrong preset pressure Readjust the downstream pressure
as described in the Initial Set-up
chapter (
2.4 ).