Diaphragm Valve Face Piping Kit Installation Manual Pg. 48 of 52
5/31/12 Rev. F
APPENDIX A
Problem Possible Cause Solution
Slow activation of valves
2. Failing seals in the multiport valve
5. Failing seals in the multiport valve
1. Faulty or improperly installed check valve
1. Debris preventing full closure of sideport seal
Inspect the valve and clear any debris which may be
preventing the side port seal from seating correctly.
Refer to drawing in Appendix for parts reference.
Leaking through waste
pipe in normal filtration
mode
2. Faulty or improperly installed and/or valve
1. Not enough pressure to the multiport valve
Verify that the multiport pressure gauge reads between
35 psi and 40 psi. If not, readjust pressure using
regulator, refer to Section 4.1.
Verify that the And/Or valve was installed properly.
Refer to installation instructions for more information.
Valves not actuating/
Can't intitate backwash
cycle
Over time the o-ring seals in the muliport valve can
become worn and brittle. Eventually these seals will
need to be replaced. A good sign of this is water
constantly leaking from the multiport valve drain hose.
A multiport valve rebuild kit is available from the
manufacturer which offers replacement seals.
Inconsistend multiport
valve pressure
Verify that regulator was installed correctly. Refer to
installation instructions for more information. Adjust
regulator, refer to Section 4.1. If regulator adjustment
does not fix problem, regulator may need to be
replaced.
1. Faulty or improperly installed/adjusted regulator
Verify that valve was installed correctly, making sure
the arrow points in the proper direction. Refer to
installation instructions for more information. Retry
valve actuation.
2. Faulty or improperly installed regulator
3. Not enough pressure to the multiport valve
Over time the o-ring seals in the muliport valve can
become worn and brittle. Eventually these seals will
need to be replaced. A good sign of this is water
constantly leaking from the multiport valve drain hose.
A multiport valve rebuild kit is available from the
manufacturer which offers replacement seals.
Verify that regulator was installed correctly. Refer to
installation instructions for more information. Retry
valve actuation.
Verify that the multiport pressure gauge reads between
35 psi and 40 psi. If not, readjust pressure using
regulator.
Check to see if and controller tubing is kinked or
pinched. If no pinching is present, disconnect the
tubing to the valve not actuating and visually inspect for
debris which may be blocking the tube.
4. Kinked or obstructed controller tubing
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