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13
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, shuing 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
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
Display says Fault and flashes a zone number
1. Short in the wire
2. Short in the solenoid
Troubleshooting
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