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 Botanic Garden >> Gardening >  >> Question and Answer >> Irrigation

Hardie Total Control TC-15B "Error - 1" After Freeze

Hardie Total Control 9-station (TC-15B) shows "Error - 1" after freeze. Not in manual.

Troubleshooting

  1. Remove battery, disconnect power 1 minute
  2. Power on WITHOUT battery
  3. Manually run each station individually
  4. Station triggering "Error - 1" = faulty solenoid
  5. Replace that solenoid

Background

Hardie = Irritrol now. Irritrol hotline: 1-800-634-8873. They may have undocumented error codes.

Freeze Damage

Freezing can crack solenoid coils or valve bodies. Test all solenoids (20-60 Ohms).

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