Error code
Bosch Washing Machine Error Code E26
Quick answer
E26
Water level or pressure sensing fault
First safe action
Turn the machine off and unplug it.
Meaning
Bosch washing machine error code E26 usually means the appliance is not reading the water level correctly. That can affect filling, draining, and how the programme advances.
Likely causes
- Pressure sensor issue
- Blocked pressure chamber or hose
- Control fault affecting level readings
Safe first checks
- Turn the machine off and unplug it.
- If safe to do so, check for obvious drainage or fill problems that may have triggered an incorrect level reading.
- Avoid repeated resets if the machine is overfilling or stopping with water inside.
How to reset
- Reconnect power after the machine has been left off briefly.
- Run a short programme only if the appliance is empty and appears safe.
When to call an engineer
If water levels remain abnormal or the code returns repeatedly, the sensor system may need professional diagnosis.
Safety warning
Disconnect the appliance from the mains before any checks and stop using it if there are signs of overfilling or leaking.
Useful hub links
Related fault codes
E23 for Bosch Washing Machine
Overflow or leak protection has been triggered
E25 for Bosch Washing Machine
The machine is not draining water correctly
E27 for Bosch Washing Machine
Power supply or voltage issue
E28 for Bosch Washing Machine
Control or wiring communication fault
E20 for Bosch Washing Machine
Motor drive or drum movement issue
E29 for Bosch Washing Machine
Water is not entering the machine properly
Relevant guides
Frequently asked questions
Can I keep using a Bosch washing machine with E26 showing?+
It is usually better to pause use until you have completed the safe first checks for E26, then test the machine with a short programme.
Will resetting clear E26 for good?+
A reset may clear a temporary interruption, but if E26 comes back after the first safe checks, the underlying fault still needs attention.