BoilerFaultCodes.com
5 Low Information

Your boiler is temporarily pausing its operation to check internal conditions before it attempts to restart.

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: Waiting cycle

What causes this fault?

This code appears when the boiler detects that it has reached its maximum operating temperature or has completed a high-demand cycle. It is the system's way of preventing overheating by temporarily pausing the burner to allow the heat exchanger to cool down before starting up again. This is typically a normal part of the boiler's management process rather than a mechanical failure.

Typical repair cost £0 (including labour)

DIY fix possible

Wait for 5 to 10 minutes to see if the boiler restarts automaticallyEnsure there is a demand for heating or hot waterCheck that your room thermostat is turned up

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