Low Warning
90 on Vokera Easi-Heat 25

Your boiler has paused operation due to a temporary internal communication or sensor error that may clear itself or indicate a service is needed.

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

Temporary fault code (Refer to section 7.10)

What causes this fault?

This fault occurs when the boiler's internal computer receives an inconsistent or 'out of range' signal from one of its heat sensors. The most common reason is that a sensor is starting to fail or there is a temporary breakdown in communication between the sensor and the main control board.

DIY fix possible

Turn the selector switch to the 'OFF/RESET' position.Wait approximately 30 seconds.Turn the selector switch back to either the 'Heating' or 'Hot Water' position.

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