What does the Baxi H.00.81 fault code mean?

Your boiler has lost its connection to your digital wall thermostat or controller, meaning it cannot receive instructions on when to turn the heating on.

How much does it cost to fix Baxi error code H.00.81?

Typical repair cost for the Baxi H.00.81 fault is £100-200 including labour.

Baxi H.00.81 Fault Code: What It Means & How to Fix It

What the manual says

Manufacturer manual

Room unit disconnected When removing the room unit, switch the power supply off and on again and set parameter CP780 =0 to remove the error.

From this model's manual

Verified against the Baxi/Baxi Bm Baxi B Basic System 2 600 800 Assure 500 Isim installation & service manual, page 48.

DIY fix possible

Check if your wall controller has batteries and replace them if they are flat.Restart your system by turning the boiler off at the fused spur for 30 seconds and turning it back on.Check if the controller has been moved or if there is interference preventing the wireless signal from reaching the boiler.

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All 66 fault codes on the Assure System

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

Your boiler has lost its connection to your digital wall thermostat or controller, meaning it cannot receive instructions on when to turn the heating on.

What the manual says

DIY fix possible

Avoid the next call-out bill

All 66 fault codes on the Assure System

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