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The Brain

An irrigation tech knowledge base, by BoardTronics.

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

ISSUE:

Timing Mechanism is dead

If the Timing Mechanism ("Facepack") is dead or is not receiving any power, follow these steps to troubleshoot the issue:

  • Check for corrosion at the connection point between the Timing Mechanism and Power Supply Board.
  • Swap the Timing Mechanism with a known operational Timing Mechanism from another satellite location.
  • If the problem goes away, the original Timing Mechanism should be reconditioned.
  • If the problem persists, swap back to the original Timing Mechanism and check the power of the Power Transformer using a multi-meter; it should be receiving approximately 110V AC and providing the Power Supply Board with approximately 24V AC.
  • If the voltages are incorrect, the Power Transformer should be reconditioned.
  • If the voltages are correct, swap the Power Supply Board with a known operational Power Supply Board from another satellite location.
  • If the problem goes away, the original Power Supply Board must be repaired or replaced with a new one.