What the manual says
Manufacturer manualControl panel button fault — button stuck in on position
DIY fix possible
Gently press and release each button on the control panel to see if any feel physically stuck or recessed.Wipe the control panel with a dry, soft cloth to remove any dirt or sticky residue that might be holding a button down.Switch the boiler off at the fused spur switch for 30 seconds and turn it back on to reset the electronics.
Avoid the next call-out bill
A cover plan would handle faults like 24: no call-out fees, no surprise bills.
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Related fault codes
All 47 fault codes on the E-Tec S
Seeing a different code? Every code this model can display, in one place.