Siemens E25 Error Code — What It Means & How To Fix It

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For information purposes only. Always consult a qualified engineer before attempting repairs. 🔌 Unplug your appliance before any inspection or repair.

How serious is the Siemens E25 error?

⚡ MEDIUM — Stop using until fixed.

What does the Siemens E25 error code mean?

The turbidity sensor, which measures water clarity to control washing cycles, is malfunctioning. This can prevent the machine from correctly detecting dirt levels, affecting wash performance.

How to fix the Siemens E25 error code

Unplug the machine
Clean the sensor thoroughly – it may be covered in detergent residue or limescale
Check wiring and connectors – ensure there are no loose or corroded connections
Replace the sensor if cleaning does not resolve the issue

Frequently Asked Questions

Is this different from a water level or pump error?
Yes — a turbidity sensor fault specifically affects dirt detection, not water drainage or filling.

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🎯 What is likely causing this fault?

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Dirty Sensor (residue, limescale, detergent build up) 60%

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Faulty sensor (internal failure) 25%

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Non-return valve Wiring/connectors loose or corroded 10%

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Control board error (rare) 5%

⚠️ Estimates based on common faults — not a guaranteed diagnosis. Always verify before ordering parts.

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Parts you may need

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Your model number

Usually found on a label inside the door frame or on the back panel of the machine.

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Part	Approx. UK Cost	Find it
Turbidity Sensor model filtered	£40 - £50	🛒 Amazon UK →

ℹ️ Prices are approximate. Always check the part number matches your model before ordering. Not sure of your model number? Find out how to locate it here.

🇬🇧 UK — Parts & Replacements