Keyscan Inc. A Member of the Kaba Group – CA8WL-AL Rev. B Installation Guide (07.15)
31
Figure 15 – Communication Status LEDs
System Status LED
System status is a tri-colour LED – red, amber and green – indicating the current system status as outlined.
The control board also has a piezo that emits audible tones under certain LED states.
Table 5 - System Status LED
LED
Colour/State
System Status
Red – solid
The main processor is held in reset and not operating. This can be caused by a jumper installed on J6
or by the main processor supervisory circuit if critical PCB voltages are not within normal operating
parameters. The on-board piezo emits a steady tone while in this mode.
Red – flashing
The control board is in clear memory mode. The on-board piezo emits a cycle of 2 short beeps and
then a pause while the control board is in this mode.
Amber – solid
The control board has not communicated to the Client software since its last system reset or clear
memory.
Amber - flashing
The control board’s last communication with the Client software was 3 minutes or greater.
Green – solid
The control board has communicated to the Client software since its last system reset or clear
memory
CARD
BI TS
10s
1s
SYSTEM
STATUS
COMMUNICATIO N
STATUS
TD 1
RD 1
TD 2
RD 2
SYSTEM
INPUTS/
RS-485
(TB7)
SERVER
RS-232 (TB5)
ETHERNET
Cut View
CA8WL-AL
Left Cover
CommunicationStatus
TD & RD
LEDs
KI-00526E-12-14