Smell gas? Leave the property and call the National Gas Emergency line on 0800 111 999

E86

Potterton fault code

Potterton E86: no communication

Engineer only

Potterton describes E86 on Potterton Assure (in Baxi's fault table) boilers as: no communication.

What you can safely do

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

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

Model	Meaning
Potterton Assure (in Baxi's fault table)	No communication

Can I fix Potterton E86 myself?

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