MDE-3664B TRIND® Start-up, Service, and Parts Manual · June 2013
Page 8-15
Troubleshooting Flowcharts for T20606 Card Cage System
Testing and Troubleshooting
Figure 8-10: TRIND Troubleshooting Flowchart (Sheet 4 of 4)
KEY TAG PROBLEMS
KEY TAG NOT
WORKING
ARE LIGHT/MICROREADER
(T20601) SYNC AND STATUS
LED's STROBING PROPERLY?
(
REFER TO MDE-3664
)
Yes
No
IS KEY TAG
BEING
PRESENTED
PROPERLY?
Yes
No
ARE DCB LED'S
STROBING
PROPERLY?
(REFER TO MDE-
3664)
ARE GATEWAY
BOARD A-SIDE/B-
SIDE TX/RX LED's
STROBING
PROPERLY?
(
REFER TO MDE-
3664
)
IS R20773-G2
CABLE OR
THE T20662-
G2 HARNESS
UNPLUGGED
OR
DAMAGED?
Yes
No
REPLACE
T20601
LIGHTBOARD
PLUG IN OR
REPLACE
DAMAGED
CABLING.
Yes
No
IS THE GATEWAY
BOARD
ADDRESSED
PROPERLY?
(REFER TO MDE-
3917, MDE-3664)
No
IS CRIND TO
TRIND CABLE
DAMAGED OR
UNPLUGGED?
ADDRESS
GATEWAY
BOARD
REPLACE
OR PLUG
IN CRIND
TO TRIND
CABLE
Yes
REPLACE
OR PLUG
IN R20763-
G3 CABLE
No
TEST SYSTEM
(
REFER TO MDE-
3664, MDE-3917
)
DOES IT WORK?
Yes
No
DONE
RETURN TO
SHEET 1
REPLACE
GATEWAY
BOARD
IS GATEWAY
POWER CABLE
(R20763-G3)
CABLE
DAMAGED OR
UNPLUGGED?
Yes
No
No
Yes
Yes
IS ANTENNA CABLE
(R20522-G2 DAMAGED
OR DISCONNECTED?
(ADVANTAGE/MPD-3
ONLY)
No
Yes
PLUG IN OR
REPLACE
R20522-G2
CABLE
REPLACE LIGHT/
MICROREADER
BOARD (T20601/
M01218)