Error 0X04A0 - Matrix R3XE-01 Service Manual

8.5 TROUBLESHOOTING - ERROR 0x04A0
ERROR 0x04A0 (DIGITAL COMMUNICATION FAILURE)
LED 1
SYMPTOM:
Error code 0x04A0 is displayed on the console.
CHECK POINT
LEDs 2, 3, 4, 6, and 7 should be ON.
If LED1 is OFF.
If LED 8 is OFF.
SOLUTION IF LEDS ARE NORMAL:
1) If the LEDs are lit normally, replace the UCB and console cable.
2) if the issue is still present after the UCB and console cable are replaced, replace the LCB.
CHAPTER 8: TROUBLESHOOTING
POSSIBLE ISSUE
If they are OFF, the LCB is damaged.
No AC power cord plugged in.
Bad communication between UCB and LCB.
LED 8
SOLUTION
Replace the LCB.
Normal for an unpowered unit.
Reconnect the console cable at the LCB and
UCB and check for kinks.
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