E110
FAULT CODE
Baxi
Boiler Overheat
High Severity
Engineer Required
The boiler has reached its maximum safe operating temperature and the safety thermostat has locked it out.
Step-by-Step Fix Guide
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Step 1
Turn off the boiler and allow it to cool completely (at least 30 minutes)
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Step 2
Check system pressure
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Step 3
Bleed all radiators
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Step 4
Reset once
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Step 5 Engineer only
If the fault returns, call a Gas Safe engineer to inspect the pump and circulation
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.