What the manual says
Manufacturer manualMultiple requests error — repeated short-term requests
Shared across the HiTech RRT range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.
DIY fix possible
Check that all radiator valves (TRVs) are fully open to ensure water can flow properly.Verify that your room thermostat is not set to a temperature very close to the current room temperature.Restart the boiler using the reset button on the control panel.
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Related fault codes
All 40 fault codes on the Bluehelix HiTech RRT
Seeing a different code? Every code this model can display, in one place.