APPENDIX B
B-1
STARTUP, STATUS AND FAULT MESSAGES
STARTUP AND STATUS MESSAGES
DISABLED
HH:MM pm MM/DD/YY
Displayed if ON/OFF switch is set to OFF. The display also
shows the time and date that the unit was disabled.
Displayed when ON/OFF switch is in the ON position, but
there is no demand for heat. The time and date are also
DEMAND DELAY
Displayed if Demand Delay is active.
Displayed during the purge cycle during startup. The
duration of the purge cycle counts up in seconds.
Displayed during ignition trial of startup sequence. The
duration of cycle counts up in seconds.
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
Displayed for 2 minutes during the initial warmup only.
Prompts the operator to wait.
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