Saunier Duval Boiler Fault Codes
23 fault codes across 12 Saunier Duval boiler models.
French brand owned by Vaillant Group. Popular across Europe.
Most searched Saunier Duval fault codes
F1 F4 F5 F6 F7
Your boiler is unable to safely light the flame needed to provide heating and hot water.
Isotwin Condens
Your boiler is unable to safely light the flame needed to provide heating and hot water.
Isotwin Condens
Your boiler has switched itself off because it has reached an unsafe temperature to protect the internal components from damage.
Isotwin Condens
Your boiler has detected a problem with the sensor that monitors the temperature of the water heading to your radiators, causing the system to shut down for safety.
Isotwin Condens
Your boiler has detected a problem with the sensor that monitors hot water temperature, which typically means you will have little or no hot water.
Isotwin Condens
Isotwin Condens
Combi
23 fault codes
· 2010-present
Saunier Duval Themaclassic F23E
0 fault codes
Saunier Duval Themaclassic F25E
0 fault codes
Saunier Duval Themaclassic Plus F30E
0 fault codes
Saunier Duval Thelia 23E
0 fault codes
Saunier Duval Isofast F28E
0 fault codes
Saunier Duval Isomax F30E
0 fault codes
Saunier Duval Ecosy 24E
0 fault codes
Saunier Duval Opalia F24E
0 fault codes
Saunier Duval Condens 25E
0 fault codes
Saunier Duval Isotwin F30E
0 fault codes
Saunier Duval SD 30e
0 fault codes
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