E50
FAULT CODE
Alpha
DHW Sensor Fault
Medium Severity
Engineer Required
The domestic hot water temperature sensor is giving an incorrect reading or has failed.
Step-by-Step Fix Guide
-
Step 1
Reset once
-
Step 2 Engineer only
If fault persists, call a Gas Safe engineer to test and replace the DHW sensor
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.