Low
83 on Alpha E-Tec Plus 28NX

Your boiler has been remotely switched to the off position, usually via a smart thermostat or controller.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

OFF MODE set on boiler (fault only displayed on remote device)

From this model's manual
Verified against the Alpha/Alpha E Tec Plus Nx installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Check your wireless room thermostat or heating programmer to see if it is currently set to 'Off'.Turn the heating schedule or manual override back to 'On' or 'Auto'.If using a smart app (like a smartphone control app), check that the master mode isn't set to holiday or off mode.

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All 37 fault codes on the E-Tec Plus 28NX

Seeing a different code? Every code this model can display, in one place.

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