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Machine does not stop when driver leaves seat without releasing P-brake

Machine does not stop when the driver leaves the seat without releasing the parking brake

husqvarna · Workshop manual

What does Machine does not stop when driver leaves seat without releasing P-brake mean?

The machine continues to run even when the driver leaves the seat without first disengaging the parking brake. This is a safety concern, indicating a fault in the safety interlock system.

Common Causes

  • Faulty P-brake microswitch.
  • Fault in the seat switch.
  • Wiring fault.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the P-brake microswitch and replace it if it's not functioning correctly.

  2. 2

    Check the seat switch and its connector, replacing if necessary.

  3. 3

    Examine the black cable and connectors between the engine and control board (J1 pin 6) for damage.

  4. 4

    Check the black cables and connectors for the seat switch and P-brake for any wiring faults. Repair or replace as needed.

Browse all codes in this manual (10)
Verified technical data. Last updated: April 2026

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Source: Workshop manual
Open Manual (Page 94)Search more codes in this manual