How to Troubleshoot a Toro Decoder

The Toro Advanced Two Wire Decoder Control plays a vital role in the Toro irrigation and sprinkler system. Each sprinkler station in the Toro system is controlled by a decoder that handles water allocation, start time and water flow type. The settings of the individual decoders are managed by the Toro Advanced Two Wire Decoder Control. This control also plays an important role in the maintenance of the decoders by facilitating the troubleshooting process.

Instructions

- 1
  Press the “Diagnostic” button on the menu panel. It is marked by a screwdriver and a wrench.
- 2
  Check for alarm codes triggered by errors or faults within the Decoder system. Use the right arrow key to cycle through entry fields until “Station Alarms” appears on the menu line, then press the “Start Key,” marked by a triangle. "Station Alarms" mode will then list the faults and provide information on how to repair them. Once the alarm code has been restored, use the right arrow key to select "Clear Alarms" and press the "Start Key."
- 3
  Execute the system's self diagnostic program by choosing "RunDiagnostics" using the right arrow key and pressing the "Start Key." Any problems identified during the process will be listed on the display.
- 4
  Troubleshoot individual stations via sequencing by selecting "Seq Stations" in the menu line, designating an amount of time to be spent on each Decoder station using the Up/Down and Right/Left arrow keys and pressing the "Start Key." Any errors found will show on the interface.

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