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F19

F19 — Water heating time exceeded

Bosch · Washing Machines

What does F19 mean?

The water in the washing machine is not reaching the set temperature within the expected time. This could be due to a faulty heating element, low voltage, or scale buildup.

Common Causes

  • Faulty heating system (heating element)
  • Thermostat issue
  • Low mains voltage
  • Scale buildup on heating element

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the heating element and its connections for damage or faults.

  2. 2

    Ensure the mains voltage is within the operating range.

  3. 3

    The program may complete without heating; check the heating system before next use.

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 2)Search more codes in this manual