Grant Vortex Blue Fault Codes

Oil Oil 15-36 kW 2016-present

All 10 fault codes

Code	Severity	Plain English	DIY
Green blinking light	High	Your boiler is struggling to burn fuel correctly because the balance of air is incorrect or a sensor is faulty.	Engineer
Off	High	Your boiler's burner has detected light when it should be dark inside, causing it to shut down for safety.	Yes
Off	High	Your boiler has no power because a connection is loose or a plug has come out of its socket.	Yes
Red blinking light	High	Your boiler's safety sensor thinks there is a fire inside before it has even started, causing the system to shut down for safety.	Engineer
Red blinking light	High	Your boiler has sensed a flame at the wrong time during its startup process, causing it to shut down as a safety precaution.	Engineer
Red blinking light	High	Your boiler's safety system is detecting a flame when there shouldn't be one, preventing it from starting up correctly.	Engineer
Red blinking light	High	Your boiler has stopped running because it failed to light properly or cannot detect a flame.	Yes
Red blinking light	High	Your boiler's burner has detected light when there shouldn't be any, causing the system to lock out for safety.	Engineer
Red steady on	High	Your boiler has stopped working because it cannot detect a flame or is struggling to ignite the fuel properly.	Engineer
Red steady on	High	Your boiler has gone into a 'lockout' mode because the burner has failed to light or stay lit.	Yes

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