What the manual says
Manufacturer manualPress the key of the controls (2) to re-start the boiler. If the error persists seek help and advice from a qualified engineer.
From this model's manual
Verified against the Sime/Sime Murelle Elite He 30 35 35t Erp 6322860 installation & service manual.
DIY fix possible
Locate the reset button (key 2) on your boiler's control panel.Press the button firmly to attempt to clear the error and restart the boiler.Wait to see if the boiler fires up normally; if the code returns, do not keep resetting it.
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Related fault codes
All 23 fault codes on the Murelle Elite HE 35 T ErP System
Seeing a different code? Every code this model can display, in one place.