Matrix A7XI-01 - Troubleshooting - Error 04 A0

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8.4 TROUBLESHOOTING - ERROR 04A0
CHAPTER 8: TROUBLESHOOTING
FIGURE A FIGURE B
ERROR CODE 04A0
1) SYMPTOM:
04A0 – UCB communication disconnected.
2) SOLUTION:
1) Check the console cable connection at the UCB and LCB (Figures A & B).
2) Replace the console cable.
3) Replace the UCB.