Error code
Bosch Washing Machine E26 Error - Pressure Sensor Fault
A Bosch washing machine E26 error, also shown as F26 on some models, means the analogue pressure sensor is faulty. Bosch says this is not a user-repairable fault: stop using the washer, disconnect it from the mains, and arrange professional diagnosis.
Quick answer
E26: Bosch identifies E26 or F26 as an analogue pressure-sensor fault.
Meaning
Bosch identifies E26 or F26 as an analogue pressure-sensor fault.
First safe check
Stop the programme and disconnect the washing machine from the mains.
Stop if
E26 or F26 is displayed
Who to call
Arrange professional diagnosis when Bosch E26 or F26 appears. Bosch identifies it as an analogue pressure-sensor fault that cannot be rectified by the user and advises contacting customer support.
High severity: escalate quickly if it persists. Disconnect power before checking accessible parts where the appliance guidance says to do so.
Fix time
Professional diagnosis required
Difficulty
Not a user repair
The useful user actions are to isolate the washer, record the code and model, and arrange qualified diagnosis.
Expected outcome: A technician can test the pressure-sensing system and identify the failed sensor, signal path, or control component.
What does this error code mean?
The official Bosch support guide identifies Bosch washing machine E26 and F26 as an analogue pressure-sensor fault. This sensor tells the control system how much water is in the machine, so an unreliable reading can affect filling, draining, and water-level control.
If you searched for `Bosch washing machine E26 error`, the important point is that Bosch does not describe this as a user-clearable filter, hose, or reset problem. Its guidance is to stop using the washing machine and contact customer support for diagnosis rather than opening the cabinet or testing the sensor yourself.
The displayed code can vary by model, so confirm whether the machine shows E26, F26, or a different nearby code. Use the Bosch washing-machine fault code list to compare the display. Bosch E25 is associated with a different sensing issue, while Bosch E28 is a separate flow-sensor warning.
Symptoms users may notice
- The programme may stop because the control system cannot rely on the reported water level.
- The washer may show E26 or F26 and refuse to continue normally.
- Filling or draining behaviour may appear abnormal because the water-level signal is unreliable.
What users often notice
- People searching for a Bosch washing machine E26 error often want to know whether it is a fill or drain problem, but Bosch identifies the underlying issue as the analogue pressure sensor.
Why is this happening?
- An analogue pressure sensor that is not reporting the water level correctly
- An internal pressure-sensing or control-signal fault that needs professional diagnosis
- A persistent pressure level problem that needs further diagnosis
What this usually points to
The analogue pressure sensor reports the amount of water in the washing machine to the control board. Bosch classifies E26/F26 as a fault in that sensor system.
How to fix this safely
- Stop the programme and disconnect the washing machine from the mains.
- Record whether the display shows E26, F26, or another code, along with the exact model number.
- Do not remove panels, inspect the pressure sensor, disconnect internal hoses, or test wiring.
- Contact Bosch support or a qualified appliance engineer for diagnosis.
Can I fix this myself?
NoBosch states that the E26/F26 analogue pressure-sensor fault cannot be rectified by the user.
Safety boundary: Keep the appliance out of use and do not open the cabinet or attempt pressure-sensor, hose, wiring, or control-board work.
What not to do
- Do not keep restarting or running cycles while E26 or F26 remains displayed.
- Do not remove panels or attempt to inspect the analogue pressure sensor or internal pressure hose.
- Do not replace parts based on the code alone without qualified diagnosis.
Common misdiagnoses
Reset steps
- Do not use repeated resets to clear E26 or F26.
- Leave the washing machine disconnected from the mains while arranging support.
- Follow only the model-specific instructions provided by Bosch support or the exact appliance manual.
Intermittent vs persistent faults
Even if E26 or F26 disappears after power is removed, do not assume the underlying pressure-sensor fault is resolved. Follow Bosch's advice and arrange diagnosis before further use.
When to call a technician
Arrange professional diagnosis when Bosch E26 or F26 appears. Bosch identifies it as an analogue pressure-sensor fault that cannot be rectified by the user and advises contacting customer support.
Safety warning
Stop using the washing machine and disconnect it from the mains. Do not open the cabinet or attempt to inspect or repair the pressure sensor, internal hose, wiring, or control system.
Useful hub links
Related pressure and level fault codes
After resolving this fault, use the right wash setting to help prevent repeat issues.
Relevant guide
Frequently asked questions
What does E26 mean on a Bosch washing machine?+
Bosch identifies E26, or F26 on some models, as an analogue pressure-sensor fault. The sensor is responsible for reporting how much water is in the washing machine.
How do I fix Bosch washing machine E26 error?+
Bosch says E26/F26 cannot be rectified by the user. Stop using the washer, disconnect it from the mains, record the model and full code, and arrange professional diagnosis.
Can I reset a Bosch washing machine with E26?+
Do not rely on a reset or keep testing the machine. Bosch advises contacting support because E26/F26 is an internal analogue pressure-sensor fault.
Are Bosch E26 and F26 the same fault?+
Bosch groups E26 and F26 together as an analogue pressure-sensor fault, although the exact code shown can depend on the model.
Can I keep using a Bosch washing machine with E26 showing?+
No. Bosch advises that the washing machine should not be used until the E26/F26 pressure-sensor fault has been fixed.
Sources and review status
Model dependent · Last reviewed 12 August 2026
- Bosch washing machine troubleshooting: error codes E26 or F26
manufacturer support · other · checked 12 August 2026
Bosch identifies E26/F26 as an analogue pressure-sensor fault, explains that the sensor reports the water level, and advises not using the washer until it has been fixed.
Model variation note
Bosch groups E26 and F26 together, but code availability and display format can vary by model and region. Check the exact model manual or Bosch support advice.