Cim-Link Diagnostics - Keyscan CIM-LINK Setup Manual

CIM-LINK Diagnostics

The CIM-LINK unit has on-board diagnostic LEDS - B3 to B0 - which are designed to assist
in troubleshooting communication difficulties.
 diagnostic LEDs during boot-up - initial power or Reset J1
 data LEDs during operation are Tx – transmit
Diagnostic Guidelines
LEDs B3 – B0 indicate Tx data transmission states. Diagnostic Jumper J2 sets the CIM
board to run in diagnostic mode.
CIM-LINK Diagnostics – LED Codes
The following table lists diagnostic LED codes on the CIM. LED indicators are as follows:
 0 = OFF
 1 = ON
Place a jumper on J2 to run the CIM in diagnostic mode.
LED
B3 B2 B1
0 0 0
0 0 0
0 0 1
0 0 1
0 1 0
0 1 0
0 1 1
0 1 1
1 0 0
1 0 0
1 0 1
Note
Diagnostic mode is indicated by all 4 LEDs flashing 3 times. Diagnostic codes are displayed
every 20 seconds. Multiple codes are displayed lowest to highest.
End of diagnostic routine is indicated when all 4 LEDs flash 3 times.
Unless Power Good/Fault LED is flashing, the unit will not enter unit diagnostic mode even
if a jumper is on J2.
CIM-LINK Setup Guide
Trouble
Indication
Code
B0
0 0
1 1
0 2
1 3
0 4
1 5
0 6
1 7
0 8
1 9
0 10
Fault
None
+ 5V Logic Voltage Low
+ 12V Input Voltage Low
+ 5V Isolated Logic Supply Low
n/a
Global Broadcast Fail
ACU Panel Initialize Fail
CAN Bus 2 Fault
n/a
n/a
NETCOMP not detected.
Diagnostics are continued on the next page ...
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