BoilerFaultCodesWhat the manual says
Manufacturer manualOverheat lockout. 1 Fill system to 1.0 bar. 2 Bleed radiators. 3 Check radiator valves open. 4 Reset boiler. 5 Contact installer.
From this model's manual
Verified against the Keston/Keston 30c installation & service manual.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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All 32 fault codes on the Combi 30
Seeing a different code? Every code this model can display, in one place.
818283848586878889909192939495BCC FaultFalse Flame LockoutFan FaultFlame LossFlow Thermistor FaultIgnition LockoutLow mains voltageLow water pressureNo water flow lockoutOutside sensor faultOverheat lockoutPCB FaultReset the boilerReturn Thermistor FaultReturn Thermistor Fault (No water flow)Too many resets