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F29

F29 — No water flow in the flow sensor detected

Bosch · Washing Machines

What does F29 mean?

The flow sensor is not detecting any water flow, even though water should be entering the machine. This could be due to a closed tap, low pressure, a clogged filter, or a faulty valve.

Common Causes

  • Water tap is closed
  • Low water pressure (< 1 bar)
  • Clogged filter at water inlet
  • Malfunctioning magnetic valve
  • Malfunctioning AquaStop valve

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the water tap is fully open.

  2. 2

    Check for adequate water pressure.

  3. 3

    Clean the filter at the water inlet.

  4. 4

    Inspect the magnetic valve and AquaStop valve for correct operation.

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 3)Search more codes in this manual