E39
FAULT CODE
Potterton
Frost Protection Active
Medium Severity
DIY Check Possible
The boiler is running frost protection cycles.
Cold Weather Note
This is a normal winter protection feature.
Step-by-Step Fix Guide
-
Step 1
No action needed — this is normal in cold weather
Gas Safe Reminder
Work on gas appliances must be carried out by a Gas Safe registered engineer. The steps above cover safe checks a homeowner can perform - any internal component replacement requires a qualified professional. If in doubt, always call an engineer.