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The Brain

An irrigation tech knowledge base, by BoardTronics.

Topics include troubleshooting, how-to's, and more!

ISSUE:

Single station is not turning on or is suck on

If a single station in your Toro® E-Series OSMAC® system is not turning on or is stuck on, begin troubleshooting the issue by looking at the specific 8-Station Output Board that controls the malfunctioning station:

  • Locate the LED indicator lights on the 8-Station Output Board.

If one light is stuck on, the 8-Station Output Board should be repaired or replaced with a new one. If one light is not on, continue troubleshooting the issue by checking the condition of the 8-Station Output Board:

If the 8-Station Output Board exhibits either of the above issues, we recommend that the 8-Station Output Board be repaired or replaced with a new one. If the 8-Station Output Board is in good condition, continue troubleshooting the issue:

  • Swap the Receiver/Decoder Module with a known operational Receiver/Decoder Module from another satellite location.
  • If the problem goes away, the original Receiver/Decoder Module should be repaired or replaced with a new one.
  • If the problem persists, swap back to the original Receiver/Decoder Module, and then swap the Output/Pump Cable (connected to the 8-Station Output Board in question) with a known operational Output/Pump Cable.
  • If the problem goes away, the original Output/Pump Cable should be replaced with a new one.
  • If the problem persists, swap back to the original Output/Pump Cable and look at the Power Distribution Board. Check if the green indicator light on the Power Distribution Board is on (while the system is on), which indicates that the board is receiving proper power from the Power Transformer.
  • If the light is not on, verify that there is proper voltage coming out of the Power Transformer by using a multi-meter on the power plug going into the Power Distribution Board. There should be approximately 14V AC.
  • If the voltage is not correct, the Power Transformer should be replaced with a new one.