E20
Potterton fault code
Potterton E20: central heating temperature sensor fault: short circuit or open circuit
Engineer only
Potterton describes E20 on Potterton Assure (in Baxi's fault table) boilers as: central heating 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.