RESET button on the display. Table 23: Boiler Status. First. Digit Boiler Status. 0Burner off – No call for heat or DHW. 1 Pre-purge or post-purge.. Burnham Boiler 6016058 Manual Reset Blocked Vent Switch W/Bracket, (200 De. When water reaches the LWCO position, the amber LED will continue to blink.. TO THE INSTALLER: Affix these…