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PROBLEM: Controller does not turn on zone when expected
| CAUSES | SOLUTIONS |
| Sensor jumper is removed and no sensor is connected (Sensor LED is red) | Install jumper wire between SEN terminals Select OFF mode if desired |
| Sensor wires have been cut (Sensor LED is red) | Repair wires |
| Zone comes on at unexpected time | Program daily start times not set properly or multiple start times set. Check Program Start Times |
| Stacked program has commenced normal operation | Modify settings (such as program start times, zone run times) to prevent stacking if undesirable |
| Time of day or date not set properly | Review/set time of day and date |
| Watering days or omit days/dates not set properly | Review/set watering days or omit days/dates |
| Run/Soak feature has extended watering window | Normal operation to allow water infiltration and prevent runoff |
| Controller does not operate zone for expected run time | Pause for Run/Soak in progress. This is normal operation to allow water infiltration and prevent runoff |
| Module not installed | Install module |
| No initial AC power-up of controller | Connect AC power and close control panel |
| Zone set to OFF | Set zone run time |
| Dial set to SYSTEM OFF | Position Turn dial to RUN |
| No zone run time set; no daily start time set | Program zone run time and daily start time |
| Omit times/days are activated | Verify omit times/days |
| Rain or freeze sensor has stopped watering (Sensor LED is red) | Replace sensor if faulty Select OFF mode if desired Reset start time to later in the day to avoid early morning freezing temperatures. |