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Hardie Total Control "Short" Error – Controller or Solenoid #6

12-year-old Hardie Total Control shows "Short" on all zones. No MV wire. Disconnecting zone wires didn't clear error.

Diagnosis

  1. Disconnect power, battery; wait 1 min; repower (no battery).
  2. Test zone 1 manually with wire OFF terminal.
  3. If "Short" persists → controller bad.
  4. If clears → short in field wire or solenoid for that zone.

Zone 6 Stuck On

Likely bad diaphragm (not solenoid). Replace solenoid first (easy), then diaphragm if needed. Guide: www.irrigationtutorials.com.

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