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8.14 04B0 ERROR TROUBLESHOOTING
ERROR MESSAGE 04B0
1) SYMPTOM:
a. MCB no communication received.
2) SOLUTION:
a. If the display is giving a 04B0 error, LED DSP2 (RS485) should be off (Figure A). If this light is not on and a 04B0 error is present,
replace the console.
b. Check the connection of the console communication cable at both of the console and the MCB.
c. Replace the console communication cable.
d. Replace the MCB.
FIGURE A
CHAPTER 8: TROUBLESHOOTING
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