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F36

F36 — The lock system is faulty

Bosch · Washing Machines

What does F36 mean?

There is a fault within the door lock system's electronics, likely a module failure. This is a critical error, and the door will remain locked.

Common Causes

  • Module failure (e.g., faulty triac or relay)

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Press ON/OFF to reset the machine.

  2. 2

    The error indicates a potential module failure, requiring professional diagnosis.

  3. 3

    Contact customer support for assistance.

Browse all codes in this manual (47)
Verified technical data. Last updated: April 2026

Related Faults

E02E02 — Motor problemE67E67 — Incorrect module encodingF01F01 — Door not closed or laundry obstructing door
Source: Bosch Washing Machines
Open Manual (Page 4)Search more codes in this manual