Alpha Boiler Fault Codes

1,816 fault codes across 44 Alpha boiler models — explained in plain English.

Italian-owned brand with UK manufacturing. Budget-friendly with wide installer base.

1,816 fault codes
44 models documented
15 currently sold
29 legacy models
Just want the most common Alpha problems?
The top 8 faults across the whole Alpha range — causes, DIY checks, repair costs.
Most serious

High-severity Alpha fault codes

60
Your boiler has stopped working because the internal pump, which moves hot water around your pipes and radiators, is either jammed or has suffered an electrical failure.
E-Tec, E-Tec Plus, Evoke
 61
Your boiler has detected trapped air or a blockage that is stopping water from flowing through your heating system correctly.
E-Tec, E-Tec Plus, Evoke
 70
Your boiler has detected a communication error between its internal temperature sensors, which means it cannot safely monitor the water temperature and has shut down as a precaution.
E-Tec, E-Tec Plus, Evoke
 75
Your boiler's internal thermometers are misreading the temperature or have failed, which has caused the system to shut down for safety.
E-Tec, E-Tec Plus, Evoke
 76
Your boiler's internal thermometers are misreading the temperature or have failed, which has caused the system to shut down for safety.
E-Tec, E-Tec Plus, Evoke
All models

44 Alpha boiler models

E-Tec, E-Tec Plus, Evoke
Combi
6 fault codes · 2017-present
E-Tec Regular
Regular
18 fault codes · 2019-present
E-Tec 24
Combi
59 fault codes · 2018-present
E-Tec 28
Combi
59 fault codes · 2018-present
E-Tec 33
Combi
61 fault codes · 2018-present
E-Tec Plus 24
Combi
84 fault codes · 2019-present
E-Tec Plus 28
Combi
84 fault codes · 2019-present
E-Tec Plus 33
Combi
84 fault codes · 2019-present
CD24
Combi Discontinued
29 fault codes · 2006-2010
CD28
Combi Discontinued
26 fault codes · 2007-2012
CB24
Combi Discontinued
12 fault codes
CB28
Combi Discontinued
12 fault codes · 1997-2005
Intec 24GS
Combi Discontinued
22 fault codes · 2008-2015
Intec 28GS
Combi Discontinued
88 fault codes
Pro Tec 24
Combi Discontinued
53 fault codes
C27
Combi Discontinued
2 fault codes
C19
Combi Discontinued
2 fault codes
FMK
Combi Discontinued
57 fault codes
C25 Xtraflame
Combi Discontinued
88 fault codes
H25 Xtraflame
Combi Discontinued
88 fault codes
CD
Combi Discontinued
18 fault codes · 2000-2005
E-Tec
Combi
61 fault codes · 2017-present
E-Tec Plus
Combi
84 fault codes · 2018-present
Evoke
Combi
55 fault codes · 2017-present
Intec 50CS
Combi
88 fault codes · 2019-present
Pro Tec Plus
RegularSystem Discontinued
55 fault codes
500e
Combi Discontinued
3 fault codes
CD C
Combi Discontinued
3 fault codes · 2013-2018
Intec2 25 28XE
Combi Discontinued
72 fault codes · 2012-2017
Eco
Combi Discontinued
25 fault codes · 2006-2009
Cd25
Combi Discontinued
18 fault codes · 2008-2015
E-Tec R
System
57 fault codes · 2018-present
Intec 40GS2
Combi Discontinued
46 fault codes
CB 240 / 280
Combi Discontinued
9 fault codes
240XE
Combi Discontinued
47 fault codes · 1994-2005
C23
Combi Discontinued
2 fault codes
Cb50
Combi Discontinued
12 fault codes · 2007-2016
Cd13r
Regular Discontinued
18 fault codes
HETEC
Combi Discontinued
1 fault codes
SY
System Discontinued
9 fault codes · 2007-2012
Intec2 30SE
System Discontinued
67 fault codes · 2014-2018
Eco 11 13
Regular Discontinued
23 fault codes · 2013-2019
Evoke 10 / 18
System
55 fault codes · 2018-present
E-Tec Plus 10 / 18
System
54 fault codes · 2019-present