+994 50 778 74 77
Our services
About Us
Contact
+994 50 778 74 77

BAXI Boiler Error Codes

  • E09: Gas valve connection fault.
  • E10: External probe fault.
  • E12: Differential water flow switch fault (still open).
  • E13: Differential water flow switch fault (still closed).
  • E15: Gas valve command fault.
  • E20: Central heating NTC sensor fault - short circuit/open circuit.
  • E28: Flue NTC sensor fault - short circuit/open circuit.
  • E40: Return central heating NTC sensor fault - short circuit/open circuit.
  • E50: DHW NTC sensor fault (tank boiler) - short circuit/open circuit.
  • E83 / E84 / E85 / E86 / E87: No communication.
  • E103: Safety Assist battery is exhausted.
  • E104: Faulty Safety Assist PCB.
  • E107: PCBs not synchronised.
  • E109: Precirculation alarm.
  • E110: (i) Boiler max. temperature exceeded for gradient (probable pump jammed or air in the circuit). (ii) Safety thermostat sensor tripped.
  • E118: Water pressure LOW (<0.5 bar).
  • E125: Water circulation fault.
  • E128: Safety error for frequent loss of flame.
  • E129: Safety error for frequent loss of flame with max correction during ignition during Calibration Function.
  • E130: Flue thermostat sensor tripped (lockout).
  • E133: Gas supply fault. Check the power supply, sensing electrode, spark electrode and cable.
  • E134: Elapsed time gas valve open without gas (short request in a short period).
  • E135: Internal error.
  • E154: Plausibility test (flow/return).
  • E160: Fan fault.
  • E270: Dry fire.
  • E317 / 162: Wrong power supply electrical frequency (Hz).
  • E321 / 163: Domestic Hot Water NTC sensor fault (short circuit/open circuit).
  • E384 / 164: False flame (parasitic flame).
  • E385 / 165: Under voltage.
  • E430 / 166: Water pressure temporary fault.
  • E430 / 166 + Flame 'crossed': Water pressure test failed.
If you are unable to resolve the issue using the error codes, please contact us!