Clear the error
Continue from step 5. If you have just read the error code, press the return key once to go back to the "Read" screen.
Step 8. Turn the dial to select "Delete", then press the dial.
Step 9. Check that "Deleted" appears. The error is now cleared. Please note that the heater may not restart until the error has been cleared.
Step 10. Press the return key a few times to leave the Workshop menu.
You can now try starting the heater again.
Please do not change any other setting in the Workshop menu.