BoilerFaultCodesWhat the manual says
Manufacturer manualClimatic RF communication fault
Shared across the Alpha E-Tec range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.
DIY fix possible
Locate the wireless thermostat unit inside your home and check if the batteries need replacing.Turn the power to the boiler off at the fused spur for 60 seconds, then turn it back on to reset the connection.Follow the manufacturer's pairing procedure in your thermostat manual to reconnect the boiler and the remote control unit.
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Related fault codes
All 30 fault codes on the E-Tec NX
Seeing a different code? Every code this model can display, in one place.