D.97 Low
Your boiler is currently in an advanced settings mode used by engineers and does not indicate a mechanical fault with the heating system.
Technical description: Activation of the second diagnostic level
Typical repair cost: £0 (including labour)
DIY fix possible
Press the 'Back' button (represented by an arrow) to exit the menu.If the screen does not revert, press and hold the 'Reset' button for five seconds.Restart the boiler using the main power switch if the display remains stuck in the diagnostic menu.
Protect yourself from future repair bills
A boiler cover plan would cover faults like D.97 — no call-out fees, no surprises.
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