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BoilerCodes
E28
Potterton fault code

Potterton E28: flue temperature sensor fault: short circuit or open circuit

Engineer only

Potterton describes E28 on Potterton Assure (in Baxi's fault table) boilers as: flue temperature sensor fault: short circuit or open circuit.

What you can safely do

There is nothing you can safely do yourself with this one. Leave the boiler off and book an engineer.

Call a Gas Safe engineer if

  • Book a Gas Safe registered engineer.
Find a Gas Safe engineer near you Opens the official Gas Safe Register search.

Applies to: Potterton Assure (in Baxi's fault table). Codes can differ between models, so check your manual.

What E28 means on each Potterton model

From Potterton's own fault tables. Your model name is usually on the front of the boiler or in the user manual.

ModelMeaning
Potterton Assure (in Baxi's fault table)Flue temperature sensor fault: short circuit or open circuit

Common questions about Potterton E28

Can I fix Potterton E28 myself?

No. It needs a Gas Safe registered engineer to diagnose. Tell them the exact code and your boiler's model name.

Nearby Potterton codes

See all 35 Potterton codes

Sources