What the manual says
Manufacturer manualBurner ignited
What causes this fault?
This is not a fault, but rather a status message indicating that the boiler has successfully lit the flame. It confirms that the internal ignition sequence is complete and the unit is now producing heat for your radiators or hot water. You will see this code every time the boiler starts up as part of its normal, healthy operation.
DIY fix possible
This fault may be fixable without an engineer. Check your manual first.
Avoid the next call-out bill
A cover plan would handle faults like S.4: no call-out fees, no surprise bills.
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Related fault codes
All 96 fault codes on the ecoTEC Plus 615
Seeing a different code? Every code this model can display, in one place.