Boiler Error Codes
Baxi E133 Error Code: Meaning and How to Fix It
Baxi E133 is a gas supply or ignition lockout. Learn the safe checks, how to thaw a frozen condensate pipe, how to reset and when to call an engineer.
6 min read
Guide category
Boiler Error Codes
What boiler fault codes mean, safe homeowner checks and when you need a Gas Safe registered engineer.
Boiler Error Codes
Vaillant F62 Error Code: Meaning and What to Do
Vaillant F62 means the flame went out later than expected after the gas valve closed. Learn what causes it, what you can safely do…
6 min read
Boiler Error Codes
Vaillant F54 Error Code: Meaning and How to Fix It
Vaillant F54 error code shows a gas supply fault on older ecoTEC plus boilers. Learn the safe checks, Vaillant's reset limit and when to…
7 min read
Boiler Error Codes
Vaillant F29 Error Code: Meaning and How to Fix It
F29 means your Vaillant boiler lost its flame and could not relight. Learn the safe gas supply and condensate pipe checks, and when to…
7 min read
Boiler Error Codes
Vaillant F27 Error Code: Meaning and What to Do
F27 is a safety lockout that means your Vaillant boiler sees a flame signal when the burner is off. Here is what causes it…
7 min read
Boiler Error Codes
Vaillant F22 Error Code: Meaning and How to Fix It
F22 means your Vaillant boiler has too little water or pressure. Learn the safe way to top up, the right pressure, and when an…
7 min read
Boiler Error Codes
Worcester Bosch CE 207 Error Code: Meaning and How to Fix It
CE 207 on a Worcester Bosch boiler means the heating system pressure is too low. Here is how to top it up safely and…
6 min read
Boiler Error Codes
Worcester Bosch D5 Error Code: Meaning and How to Fix It
D5 on a Worcester Bosch Greenstar Highflow boiler means a condensate pump fault. Learn the causes, the safe frozen pipe fix and when to…
6 min read
Boiler Error Codes
Worcester Bosch E9 Error Code: Meaning and How to Fix It
E9 on a Worcester Bosch boiler means an overheat safety limiter has tripped. Learn what causes it, what you can safely check and when…
6 min read
Boiler Error Codes
Worcester Bosch EA Error Code: Meaning and How to Fix It
The Worcester Bosch EA code means the boiler could not detect a flame. Here is what causes it, what you can safely check and…
8 min read