BoilerFaultCodesVaillant Boiler Fault Codes
791 fault codes across 63 Vaillant boiler models.
Premium German heating manufacturer with over 140 years of experience. Popular in UK social housing and new builds.
Most searched Vaillant fault codes
F.00 F.01 F.10 F.13 F.20
Your boiler has lost connection with its internal temperature sensor, meaning it cannot monitor heat levels and has shut down as a safety precaution.
Turbomax Plus 824/828E
Your boiler has stopped working because a sensor that monitors water temperature has lost its connection or stopped sending a signal.
Turbomax Plus 824/828E
Your boiler has detected a loose connection or a fault with the sensor that monitors the temperature of the water returning to the unit.
Turbomax Plus 824/828E
Your boiler has detected an electrical short circuit in its internal temperature sensor, causing the system to shut down for safety.
Turbomax Plus 824/828E
Your boiler has switched itself off because it has become too hot internally and needs time to cool down before it can be used again.
Turbomax Plus 824/828E
Turbomax Plus 824/828E
Combi Discontinued
16 fault codes
· 2001-2006
EcoMax Pro 18/28E
Combi Discontinued
6 fault codes
· 2001-2006
Ecomax Pro 828E
Combi Discontinued
5 fault codes
· 2001-2006
ecoTEC 65kW
System Discontinued
14 fault codes
· 2006-2018
ecoTEC Pro / ecoTEC Plus
CombiSystemRegular
34 fault codes
· 2005-present
EcoTEC Pro / EcoTEC Plus
CombiSystemRegular
38 fault codes
· 2005-present
ecoTEC plus Regular
Regular
76 fault codes
· 2012-present
ecoTEC plus
CombiSystemRegular
110 fault codes
· 2005-present
ecoTEC
CombiSystemRegular
106 fault codes
· 2005-present
ecoMAX
CombiSystem Discontinued
36 fault codes
· 2001-2006
ecoMAX Pro
System Discontinued
39 fault codes
· 2002-2006
ecoTEC exclusive
CombiSystem
71 fault codes
· 2016-present
ecoTEC Pro
Combi
91 fault codes
· 2012-present
Ecomax 613 2 E
System Discontinued
56 fault codes
· 2001-2005
Home Combi
Combi
42 fault codes
· 2015-present
Thermocompact
System Discontinued
41 fault codes
· 1995-2005
Turbomax Pro 28 2E
Combi Discontinued
10 fault codes
· 2000-2002
Turbomax VUW 242/1
Combi Discontinued
0 fault codes
· 1997-2001
ecoFIT Pure 825
0 fault codes
ecoFIT Pure 830
0 fault codes
ecoFIT Pure 835
0 fault codes
ecoFIT Pure 412
0 fault codes
ecoFIT Pure 418
0 fault codes
ecoFIT Pure 425
0 fault codes
ecoFIT Pure 435
0 fault codes
ecoTEC sustain
0 fault codes
ecoTEC Pro 24
0 fault codes
ecoTEC Pro 28
0 fault codes
ecoTEC Pro 30
0 fault codes
ecoTEC Plus 610
0 fault codes
ecoTEC Plus 615
0 fault codes
ecoTEC Plus 620
0 fault codes
ecoTEC Plus 625
0 fault codes
ecoTEC Plus 630
0 fault codes
ecoTEC Plus 635
0 fault codes
ecoTEC Plus 826
0 fault codes
ecoTEC Plus 832
0 fault codes
ecoTEC Plus 836
0 fault codes
ecoTEC Plus 840
0 fault codes
ecoTEC Plus 65kW
0 fault codes
ecoTEC Plus 938
0 fault codes
ecoMAX 613
0 fault codes
ecoMAX 618
0 fault codes
ecoMAX 622
0 fault codes
ecoMAX 635
0 fault codes
ecoMAX Pro 18E
0 fault codes
ecoMAX Pro 28E
0 fault codes
ecoMAX System 612
0 fault codes
ecoMAX System 618
0 fault codes
ecoMAX 824E
0 fault codes
ecoMAX 828E
0 fault codes
Turbomax Plus VUW 242E
0 fault codes
Turbomax Plus VUW 282E
0 fault codes
Turbomax Plus VUW 242EH
0 fault codes
Turbomax Plus VUW 282EH
0 fault codes
Turbomax 824/828
0 fault codes
Turbomax VU 182
0 fault codes
Turbomax VU 242
0 fault codes
Turbomax VU 282
0 fault codes
Atmomax
0 fault codes
Combi Compact VCW 242EB
0 fault codes
Combi Compact VCW 282EB
0 fault codes
Aqua Plus
0 fault codes
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