E 42 Medium
One of the buttons on your boiler's control panel has become stuck or is malfunctioning, preventing you from changing settings.
Technical description: Error with pushbutton
Typical repair cost: £90-220 (including labour)
DIY fix possible
Check if any of the buttons on the front panel are physically stuck or pressed in.Gently press and release each button several times to see if they click back into place.Switch the boiler off at the fused spur switch, wait 30 seconds, and turn it back on to reset the display.
Protect yourself from future repair bills
A boiler cover plan would cover faults like E 42 — no call-out fees, no surprises.
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Parts commonly replaced
- Control Interface/Display PCB
- Control Panel Buttons
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