D.81 Low
This is an advisory message showing you how many hours your boiler has spent heating your hot water cylinder.
Technical description: Operating hours hot water generation
Typical repair cost: £0 (including labour)
DIY fix possible
Press the 'Back' or 'Menu' button to return to the main displayNo action is required as this is a status information code, not a fault
Protect yourself from future repair bills
A boiler cover plan would cover faults like D.81 — no call-out fees, no surprises.
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