What the manual says
Manufacturer manualWaiting cycle: lack of water in the installation/temperature rise between heating flow and return is too high.
DIY fix possible
Check the pressure gauge on the front of the boiler; if it is below 1 bar, top up the pressure using the filling loopEnsure all radiator valves are fully openCheck your radiators for air and bleed them if they feel cold at the top
Avoid the next call-out bill
A cover plan would handle faults like S.54: no call-out fees, no surprise bills.
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Related fault codes
All 92 fault codes on the Easicom 24
Seeing a different code? Every code this model can display, in one place.
Related guides you might find useful
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