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E107

Potterton fault code

Potterton E107: PCBs not synchronised

Engineer only

Potterton describes E107 on Potterton Assure (in Baxi's fault table) boilers as: pCBs not synchronised.

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)	PCBs not synchronised

Can I fix Potterton E107 myself?

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