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Baxi Fault Codes

Select a fault code to see its meaning, common causes and how to fix it.

• E110 The E110 code means your Baxi boiler's safety thermostat has detected that the primary water temperature has climbed… Read more →
• E119 The E119 fault code indicates that your boiler's system pressure has dropped below 0.5 bar, which is too low for safe… Read more →
• E125 The E125 code tells you that the boiler's PCB has detected a problem with primary water circulation — essentially, it… Read more →
• E133 Gas supply fault — the boiler failed to light or lost the flame during ignition and has locked out. Read more →
• E168 The E168 fault code on Baxi boilers signals that the boiler's control board has detected an internal electrical problem… Read more →