Listed below are the common Main fault codes as described by the boiler manufacturer along with a possible cause.
|Code||Possible fault||User action|
|E20, E28, E50 and E160||Faulty components||You should make a note of the displayed error code and contact your installer or Baxi Customer Support|
||Displayed overheat of the primary water or flue system has occurred||Turn the selector switch to the reset position and hold for at least 5 seconds. If the boiler does not relight, or the code is displayed regularly contact your installer or Baxi Customer Support.
||Displayed when the primary water pressure is less than 0.5 bar
||You can repressurise the boiler yourself,|
|E133||Indicates that the gas supply has been interrupted, ignition has failed or the flame has not been detected
||Ensure that the gas supply has not been turned off, and turn the selector switch to the reset position and hold for at least 5 seconds. If the boiler does not relight, or the code is displayed . Regularly contact your installer or Baxi Customer Support.
|E133||Can also display in the winter if the condensate pipe of your boiler has frozen||The boiler will switch off to protect itself. You can find out how to thaw your condensate pipe by watching this video|
||Could mean that your boiler has detected a problem but can't work out exactly what it is. This could be because the boiler has been reset after developing a fault or because there has been an external issue, such as a fault with the electrical supply||The boiler might have been displaying a different error code prior to resetting, so it is useful to make a note of any error codes you see as this will help your installer identify the issue. Call your installer or Baxi Customer Support if E168 persists.