D.80 Low
This is not a fault; it is simply a diagnostic screen displaying how many hours your boiler has spent running the central heating.
Technical description: Operating hours heating
Typical repair cost: £0 (including labour)
DIY fix possible
Press the 'Back' or 'Menu' button to return to the main displayNo further action is required as this is an information message
Protect yourself from future repair bills
A boiler cover plan would cover faults like D.80 — no call-out fees, no surprises.
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