Low
ERR>CM on Alpha Evoke 10 / 18

Your thermostat has lost its connection because the boiler is currently switched off at the main unit.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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.

Technical description

Connection error symbol displayed on the Climatic control if the boiler is switched 'off'

DIY fix possible

Locate the selector switch on the front of the boiler panelTurn the dial from the 'Off' position to either 'Summer' or 'Winter' modeWait up to 60 seconds for the Climatic control screen to reconnect and update

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