Superior 2000 - Troubleshooting Common Issues; Valve Fails to Close

CAUSE #1: Malfunctioning solenoid
Solenoid plunger is unable to seal exhaust port
due to debris in solenoid chamber or plunger
being stuck in plunger tube and unable to drop.
SOLUTION:
Remove debris from solenoid cavity
and/or clean plunger tube. Replace stem and
plunger assembly if necessary.
CAUSE #2:
Debris in valve body or debris embedded
in rubber seat disc prevents rubber seat disc
from seating onto brass seat in anti-siphon
body.
SOLUTION:
Remove adaptor from anti-siphon body
and remove debris. If rubber seat disc is
pitted, disassemble it from shaft and flip it
over or replace if
necessary.
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Troubleshooting
PROBLEM: Valve will not close