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PROBLEM POSSIBLE CAUSE
One or more valves do
not turn on
1. Faulty solenoid connection
2. Wire damaged or severed
3. Flow control stem screwed down, shutting valve off
4. Programming is incorrect
Stations turn on when they
are not supposed to
1. Water pressure is too high
2. More than one start time is programmed
3. AM/PM is incorrect
One station is stuck on
and will not shut off
1. Faulty valve
2. Particles of dirt or debris stuck in valve
3. Valve diaphragm faulty
All valves do not turn on
1. Transformer defective or not connected
2. Programming is incorrect
Timer will not power up
1. Transformer not plugged into a working outlet
Valves continue to turn on
and off when they are not
programmed
1. More than one start time is programmed with overlapping schedules
2. Excessive pressure
Troubleshooting
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