Your boiler is simply letting you know that the reset button has been held down or activated.
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: Reset button has been pressed.
What causes this fault?
This code appears when the reset button on the front control panel has been pressed or held down, often by a user attempting to clear a previous error. It can also occur if the button becomes physically stuck in the housing or if it was held for too long during a restart attempt. In rare cases, it may indicate a momentary glitch where the control board incorrectly registers a button press.
DIY fix possible
Wait a few seconds for the boiler to complete its reboot cycleCheck if the display returns to the standard temperature readingIf the boiler was reset to clear a different fault, monitor to see if that original code returns
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