29 AFP-3030 Operations Manual — P/N DOC-01-039:A 26/11/2015Operation of the Control Panel CO Prealarm Event2.7 CO Prealarm EventThe CO Pre-alarm function is used to receive an early warning of potential or incipient CO condi-tions.2.7.1 How the Control Panel Indicates a CO Pre-alarmWhen a detector activates a CO Pre-alarm, the control panel does the following if there are nohigher priority unacknowledged events:• Pulses the panel sounder (if the piezo is enabled)• Illuminates the OTHER LED (yellow)• Displays CO PREALARM in the upper left corner of the LCD, the type code and otherinformation specific to the detector as shown in Figure 2.8.• Sends a CO Pre-alarm message to the History buffer, installed printer and annunciators.• Activates CBE position 5.• Activates Special Function Zone 19 (ZF19)When an unacknowledged event with a higher priority exists, the control panel retains indicationsof the higher priority event (the message, lit LED, audible tone, etc.) while flashing the OTHER LEDand sending a CO Prealarm message to the History buffer, installed printer and annunciators.The following is a sample screen for a CO Pre-alarm message.Figure 2.8 Sample CO Prealarm Message2.7.2 How to Respond to a CO Pre-Alarm WarningIf the control panel indicates a Prealarm, the operator can do the following:1. Press the SILENCE BUZZER key to acknowledge the CO Prealarm.2. Press the MORE INFO soft key to display the MORE INFORMATION screen and viewadditional information on the device and possibly preprogrammed text for recommendedaction. (Refer to Figure 1.9 on page 11 for an example of this screen and an explanation of itsfields.)3. Investigate and correct the condition causing the CO Prealarm.2.7.3 Interpreting Type ID CodesThe Type ID code that displays in a CO prealarm message is related to the type and function of thedetector point that initiates the CO prealarm. For example, a detector with a PHOTO/CO Type IDcode means that the detector is a photo/CO type detector. If the Type ID code is unfamiliar, refer toAppendix A, “Software Type ID Codes”, on page 63. This appendix is an alphabetical list of TypeID codes and an explanation of each.O T H E R : 2 O F 2P R E A L A R M 1 2 0 % O F F I R E S E N S I T I V I T Y L E V E L 4E L E V A T O R L O B B Y E A S T W I N GF I R S T F L O O R D O O R S M O K E ( P H O T O )1 0 : 3 5 : 1 7 A T U E 0 2 D E C 2 0 1 4 L 0 1 D 1 3 4M O R E I N F O . . .1 O T H L 0 2 D 0 0 3D e t e c t o r L 0 2 D 0 0 32 O T H L 0 1 D 1 3 4D e t e c t o r L 0 1 D 1 3 4A L M : 0 S U P : 0 F L T : 0 D I S : 0 O T H E R : 21 1 : 5 8 : 4 3 A T U E 0 2 , D E C , 2 0 1 4