To access the fault code history press simultaneously the tap and radiator keys and hold for 5 seconds. The red LED flashes and the display shows:
Scroll through using the tap or radiator key until the display shows A0 (This is the parameter for accessing the code of the last error)
To enter the fault code parameter press the + or - key. The value set flashes and the display will show a code.
e.g - This value represents the code of the last error.
Note: The appliance memory stores the last 10 error codes from A0 to A9, with A0 being the most recent error and A9 being the oldest fault. To access them follow the same process as adjacent.