BoilerFaultCodes.com
28 Low Warning

Your boiler has detected a temporary internal communication error and is attempting to restart itself.

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 system experiences a temporary glitch in communication between its electronic components. It is most commonly caused by a minor electrical interference or a momentary loss of data signal, which prompts the boiler to automatically reset to ensure everything is working correctly.

Typical repair cost £0-120 (including labour)

DIY fix possible

Wait for the boiler to complete its automatic reset cycleTurn the mode selector switch to the 'OFF/RESET' position for 10 secondsReturn the switch to the original heating or hot water position

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