BoilerFaultCodesGrant Boiler Fault Codes
28 fault codes across 17 Grant boiler models.
Irish manufacturer of oil and renewable heating systems. UK market leader for oil boilers.
Most searched Grant fault codes
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Your boiler has stopped working because it cannot correctly measure the temperature of the water returning to the unit.
Vortex
Your boiler has detected a problem with a sensor that monitors the temperature of the exhaust gases, and it has likely stopped working as a safety precaution.
Vortex
Your boiler has stopped working because an internal sensor that monitors the temperature of the heating coil is no longer sending a correct reading.
Vortex
Your boiler has stopped working because one of its internal sensors is failing to monitor the temperature of the water returning to the unit.
Vortex
Your boiler's internal thermometer that measures the air around it has stopped working properly, preventing the system from operating safely.
Vortex
Vortex
Oil
20 fault codes
· 2002-present
Boiler
Oil
0 fault codes
Vortex / Eco / Pro
OilCombiSystemRegular
0 fault codes
· 2002-present
Vortex Blue
Oil
4 fault codes
· 2016-present
Vortex Eco
Oil
0 fault codes
· 2008-present
Vortex Pro Combi
CombiOil
4 fault codes
· 2014-present
Grant Vortex Pro 15-26
0 fault codes
Grant Vortex Pro 26-35
0 fault codes
Grant Vortex Pro 35-50
0 fault codes
Grant Vortex Pro Combi 26
0 fault codes
Grant Vortex Eco 15-26
0 fault codes
Grant Vortex Eco 26-35
0 fault codes
Grant VortexBlue 12-26
0 fault codes
Grant Euroflame
0 fault codes
Grant Vortex 15-20
0 fault codes
Grant Vortex 20-26
0 fault codes
Grant Tempest
0 fault codes
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