607
FAULT CODE
Chaffoteaux
Fan/Flue Airflow Fault
High Severity
Engineer Required
Airflow proving has failed — fan or flue issue.
Step-by-Step Fix Guide
-
Step 1
Check external flue terminal
-
Step 2 Engineer only
A Gas Safe engineer should test the fan and APS
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.