Boiler model
Baxi Baxi Duo-tec Combi Fault Codes
Verified fault-code information for the Baxi and legacy Baxi/Main/Potterton ranges listed on common-code page range.
Fault-code index
- E09 — Baxi and legacy Baxi/Main/Potterton ranges listed on common-code page
Gas-valve connection fault.
Read fault code - E110 — Baxi and legacy Baxi/Main/Potterton ranges listed on common-code page
Boiler maximum temperature exceeded for gradient, or safety thermostat sensor tripped.
Read fault code - E118 — Baxi and legacy Baxi/Main/Potterton ranges listed on common-code page
Water pressure low (below 0.5 bar).
Read fault code - E12 — Baxi and legacy Baxi/Main/Potterton ranges listed on common-code page
Differential water-flow switch fault (still open).
Read fault code - E125 — Baxi and legacy Baxi/Main/Potterton ranges listed on common-code page
Water circulation fault.
Read fault code - E128 — Baxi and legacy Baxi/Main/Potterton ranges listed on common-code page
Safety error for frequent loss of flame.
Read fault code - E130 — Baxi and legacy Baxi/Main/Potterton ranges listed on common-code page
Flue thermostat sensor tripped (lockout).
Read fault code - E133 — Baxi and legacy Baxi/Main/Potterton ranges listed on common-code page
Gas supply fault.
Read fault code - E160 — Baxi and legacy Baxi/Main/Potterton ranges listed on common-code page
Fan fault.
Read fault code - E20 — Baxi and legacy Baxi/Main/Potterton ranges listed on common-code page
Central-heating NTC sensor fault — short circuit/open circuit.
Read fault code - E270 — Baxi and legacy Baxi/Main/Potterton ranges listed on common-code page
Dry fire.
Read fault code - E28 — Baxi and legacy Baxi/Main/Potterton ranges listed on common-code page
Flue NTC sensor fault — short circuit/open circuit.
Read fault code - E40 — Baxi and legacy Baxi/Main/Potterton ranges listed on common-code page
Return central-heating NTC sensor fault — short circuit/open circuit.
Read fault code