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