APPENDIX B
APPENDIX B - STARTUP, STATUS AND FAULT MESSAGES
TABLE B-1. STARTUP AND STATUS MESSAGES
MESSAGE DESCRIPTION
DEMAND DELAY
XX sec
Displayed if Demand Delay is active.
DISABLED
HH:MM pm, pm
MM/DD/YY
Displayed if ON/OFF switch is set to OFF. The display also
shows the time (am or pm) and date that the unit was
disabled.
FLAME PROVEN
Displayed after flame has been detected for a period of 2
seconds. Initially, the flame strength is shown in %. After 5
seconds has elapsed, the time and date are shown in place
of flame strength.
IGNITION TRIAL
XX sec
Displayed during ignition trial of startup sequence. The
duration of cycle counts up in seconds.
PURGING
XX sec
Displayed during the purge cycle during startup. The
duration of the purge cycle counts up in seconds.
STANDBY Displayed when ON/OFF switch is in the ON position, but
there is no demand for heat. The time and date are also
displayed.
WAIT Prompts the operator to wait.
WARMUP
XX sec
Displayed for 2 minutes during the initial warm-up only.
B-1
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