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CHAPTER 8: TROUBLESHOOTING
8.4 TROUBLESHOOTING - ERROR 04B0
FIGURE A FIGURE B
ERROR CODE 04B0
1)  SYMPTOM:
04B0 – LCB communication disconnected.
2)  SOLUTION:
1)  If the display is giving a 04B0 error, check the LCB LED10 status.
    -  LED10 blinking:  Turn off power and after 3 seconds, turn on power again.  If the console shows the 04A0 error, skip to Step 2.
    -  LED10 off:  Check the connection of the digital communication wire at the UCB and LCB (Figure A & B).  If the connection is good, replace 
the digital communication wire.
2)  If LEDs 7 / 8 / 9 / 10 blinking together, this should be LCB software problem.  Re-install LCB software.  If this does not resolve the issue, 
replace the LCB.