3. Operation of the Control Panel System Trouble Mode of Operation
26 IQ-636X Operations Manual P/N 52181:A 04/28/2005
If all troubles clear and no supervisory signals or fire alarms exist, the control panel does the following:
• Returns to Normal operation (indicated by the “System Normal” message)
• Sends an “System Normal” message to the LCD display, History buffer and installed printers,
terminal mode LCD-80s, and CRT-2s
• Restores troubles automatically - even if troubles are not acknowledged
If multiple trouble conditions exist in the system, the LCD and optional terminal mode CRT-2 and
LCD-80s displays automatically step through each trouble every 3 seconds in the following order:
1. Alarms, in order of address
2. Supervisory, in order of address
3. Troubles, in order of address
Press the
ACKNOWLEDGE/SCROLL DISPLAY key and the display stops on the current trouble event for 1
minute, then begins to automatically step through remaining troubles. To manually step through
remaining troubles, press the
ACKNOWLEDGE/SCROLL DISPLAY key.
Refer to Appendix D: Point and System Troubles Lists on page 79 for explanations of troubles that
appear on the display.
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