TROUBLESHOOTING GUIDE
1. Sprinkler heads emit water when valve is turned off.
Dirt or debris is lodged on the diaphragm seat.
Remove bonnet and diaphragm to dislodge debris.
Solenoid is not fully closed after manual operation.
Turn solenoid handle clockwise to fully seated position.
Solenoid o-ring is damaged or twisted.
Turn off the water supply and turn the solenoid counter-clock-
wise to remove and inspect the o-ring. Remove any debris,
then reset or replace the o-ring as necessary.
Diaphragm is damaged or not properly aligned.
Turn off the water supply and remove the bonnet. Check align-
ment of the diaphragm with the valve body and positioning tabs.
Inspect the diaphragm for nicks or damage, then realign or
replace diaphragm as necessary.
Dirt is interfering with proper solenoid operation.
Turn off the water supply and turn the solenoid counter-clock-
wise to remove and flush solenoid seating bowl in bonnet with
clean water. Rinse solenoid bottom in clean water. For internal
cleaning, remove the white retainer using a small flat screw-
driver. Remove the plunger and screen and rinse with clean
water. Return plunger, spring and retainer to solenoid. Return
solenoid to bonnet by turning the solenoid clockwise.
Solenoid is shorted or damaged.
Turn off water supply and turn the solenoid counter-clockwise to
remove. Replace with new solenoid by turning clockwise.
3
Summary of Contents for PGA
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