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Valves troubleshooting chart
A zone valve will not turn on.
| Possible Causes: |
Remedy: |
| Incorrect watering days, start times or run times. |
Check and adjust the timer program. |
| Water supply is off to the zone valve. |
Turn on the water supply. |
| Faulty valve solenoid. |
Replace the solenoid. |
| Closed control at valve. |
Open the control valve counter clockwise. |
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A zone valve will not turn off.
| Possible Causes: |
Remedy: |
| Zone valve wires are not connected |
Connect the wires.
>> More Info |
| Timer programming is incorrect. |
Check and adjust the timer program. |
| Debris in valve, solenoid or meterin orifice. |
Disassemble the valve and clean with fresh water. |
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Water is leaking from a valve.
| Possible Causes: |
Remedy: |
| Valve diaphragm is faulty. |
Replace the valve diaphragm. |
| Valve body is cracked or broken or the valve bonnet is broken. |
Replace the valve. |
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Leak from lowest sprinkler in zone.
| Possible Causes: |
Remedy: |
| Damaged valve diaphragm. |
Replace the diaphragm. |
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A manual valve is stuck or hard to operate.
| Possible Causes: |
Remedy: |
| Dirt in the valve. |
Clean and lubricate the valve stem. |
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Misting of the spray occurs.
| Possible Causes: |
Remedy: |
| Flow is too high |
Adjust the flow control to a lower flow on the irrigation valve. |
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The spray pattern is too small
| Possible Causes: |
Remedy: |
| The spray pattern is too small. |
Adjust the flow control to a higher flow on the irrigation valve. |
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Valve Solenoid
| Problem |
Possible Causes: |
Remedy: |
A zone valve will not turn on
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Burned out valve solenoid. |
Replace the solenoid. |
| Fuses blow |
Faulty wiring or solenoid. |
Replace the solenoid, check and repair faulty wiring. |
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