husqvarna · Workshop manual
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.
Click steps to track your progress.
Inspect the P-brake microswitch and replace it if it's not functioning correctly.
Check the seat switch and its connector, replacing if necessary.
Examine the black cable and connectors between the engine and control board (J1 pin 6) for damage.
Check the black cables and connectors for the seat switch and P-brake for any wiring faults. Repair or replace as needed.