Keyscan Inc. A Member of the Kaba Group – CA8WL-AL Rev. B Installation Guide (07.15)
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Diagnostics
The CA8WL-AL has communication and system status LEDs on the left side of the control unit for diagnostics.
Communication LEDs
The CA8WL-AL has on-board LEDs for communication diagnostics outlined in the table below. If calling
Keyscan for technical support, indicating the state of the LED assists our technicians in isolating potential
difficulties.
Table 4 – Communication LEDs
CA8WL-AL Control Board
LED
State of LED
Notes
TD 1 - Green
Flashing – normal
Main processor sending data to RS-485 port
Not Illuminated – abnormal
condition
Follow restore factory defaults J1 procedure in attempt to resolve.
Illuminated – abnormal
condition
Follow restore factory defaults J1 procedure in attempt to resolve.
RD 1 - Red
Flashing – normal
Main processor receiving data from RS-485 port
Not Illuminated – abnormal
condition
Follow restore factory defaults J1 procedure in attempt to resolve
Illuminated – abnormal
condition
Follow restore factory defaults J1 procedure in attempt to resolve
Possible wiring fault
TD 2 – Green
Flashing – normal
Control board sending data via communication path determined by S1.10
& S1.11 to Client/Communication Mgr
Not Illuminated
If Client/Comms not polling the control board
If S1.10 & S1.11 are configured for on-board NETCOMP programming
Illuminated – abnormal
condition
Follow restore factory defaults J1 procedure in attempt to resolve
RD 2 – Red
Flashing – normal
Control board receiving data via communication path determined by
S1.10 & S1.11 from Client/Communication Mgr
Not Illuminated
If Client/Comms not polling the control board
If S1.10 & S1.11 are configured for on-board NETCOMP programming
Illuminated – abnormal
condition
Possible wiring fault