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Front loop sensor defect

Front loop sensor defect — Front loop sensor cable or card is faulty

husqvarna · Automower Technical Manual

¿Qué significa Front loop sensor defect ?

This indicates a problem with the front loop sensor, which can be due to damaged cabling, a loose connection, or a defective sensor card itself. It affects the mower's ability to detect the boundary wire at the front.

Causas comunes

  • Cabling to the front loop sensor is defective or has come loose.
  • Front loop sensor card is defective.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Check the levels for Af and Ar via Quick check (Press and hold '0' for 2 seconds) and switch with YES button.

  2. 2

    If Af is 0 and Ar is higher than 70 (when mower is outside charging plate, but inside loop) or Quality is lower than 100%, inspect the cabling to the front loop sensor for damage or looseness.

  3. 3

    Ensure all connections to the front loop sensor are secure and undamaged.

  4. 4

    If cabling is undamaged and the values still indicate a defect, the front loop sensor card may need replacement.

  5. 5

    Contact service if you suspect a defective sensor card.

Ver todos los códigos en este manual (37)
Datos técnicos verificados. Última actualización: April 2026

Fallas relacionadas

Automower runs at an angle or in an arcAutomower runs at an angle or in an arc — Tilt sensor calibration or defectBlade motor defectBlade motor defect or Blade disc blocked — Blades cannot rotate freelyBoth the mowing and charging times are shorter than usualBoth the mowing and charging times are shorter than usual — High temperatures or low battery capacity
Fuente: Husqvarna Automower Technical Manual
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