What the manual says
Manufacturer manualParameter error on printed circuit board (PCB). Temporary error, will self reset
From this model's manual
This code was read directly from the manufacturer service manual for this model.
DIY fix possible
Wait for the boiler to automatically reset itselfIf the flashing continues, turn the selector switch to the reset position for 5 secondsMonitor the boiler to ensure it returns to normal operation
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