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Nelson EZ Pro 8300 Repeats Program After Lightning: Check Seasonal Adjust, Start Times, Programs

Post-Lightning Behavior: Program Repeats Continuously

Transformer and auto-resettable fuse replaced. System runs but loops program.

Three Programming Checks

  1. Seasonal Adjust: Set to 100%. If >100%, controller splits run time into two cycles.
  2. Start Times: Only Start Time #1 should be set; #2, #3 must be OFF.
  3. Programs B & C: Must have no run times programmed (all OFF).

If All Correct, Controller Is Damaged

Lightning likely damaged the microprocessor. Replace controller (Irritrol Rain Dial or Rain Bird ESP).

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