Manufacturer directory
Alpha Boiler Fault Codes
Fault-code information for Alpha boilers, grouped by verified boiler range. Each entry is linked to its own fault-code page.
Popular boiler ranges
Verified fault-code index
E-Tec 28 and 33
View range- 01 — E-Tec 28 and 33
Ignition failure; flame not detected during the ignition sequence.
Read fault code - 02 — E-Tec 28 and 33
Overheat boiler lockout.
Read fault code - 03 — E-Tec 28 and 33
High flue temperature.
Read fault code - 04 — E-Tec 28 and 33
Gas-valve electrical connection fault.
Read fault code - 05 — E-Tec 28 and 33
CH flow sensor fault.
Read fault code - 06 — E-Tec 28 and 33
DHW sensor fault.
Read fault code - 08 — E-Tec 28 and 33
Maximum number of resets reached (five).
Read fault code - 10 — E-Tec 28 and 33
Primary system pressure low.
Read fault code - 16 — E-Tec 28 and 33
Fan fault.
Read fault code - 20 — E-Tec 28 and 33
Flame-sensing fault; false flame detection.
Read fault code - 27 — E-Tec 28 and 33
Primary circuit overheat.
Read fault code - 38 — E-Tec 28 and 33
Loss of flame rectification.
Read fault code
Evoke 28 and 33
View range- 01 — Evoke 28 and 33
Ignition failure; flame not detected during the ignition sequence.
Read fault code - 02 — Evoke 28 and 33
Overheat boiler lockout.
Read fault code - 03 — Evoke 28 and 33
High flue temperature.
Read fault code - 04 — Evoke 28 and 33
Gas-valve electrical connection fault.
Read fault code - 05 — Evoke 28 and 33
CH flow sensor fault.
Read fault code - 06 — Evoke 28 and 33
DHW sensor fault.
Read fault code - 08 — Evoke 28 and 33
Maximum number of resets reached (five).
Read fault code - 10 — Evoke 28 and 33
Primary system pressure low.
Read fault code - 16 — Evoke 28 and 33
Fan fault.
Read fault code - 20 — Evoke 28 and 33
Flame-sensing fault; false flame detection.
Read fault code - 27 — Evoke 28 and 33
Primary circuit overheat.
Read fault code - 38 — Evoke 28 and 33
Loss of flame rectification.
Read fault code