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F38

F38 — Fault NTC (temperature sensor) short circuit

Bosch · Washing Machines

What does F38 mean?

The NTC temperature sensor has a short circuit. This will cause the program to end prematurely without heating the water.

Common Causes

  • Short circuit in the NTC sensor
  • Short circuit in the wiring to the NTC sensor

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the NTC sensor for a short circuit.

  2. 2

    Inspect the wiring to the NTC sensor for any short circuits.

  3. 3

    The program will end without heating; seek professional service if needed.

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

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Source: Bosch Washing Machines
Open Manual (Page 5)Search more codes in this manual