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 for more than 10 minutes, turn the control knob to 'Reset' and then back to the desired temperatureMonitor the boiler to see if the green light returns to a steady state
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