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8.11 04A0 ERROR TROUBLESHOOTING
ERROR MESSAGE 04A0
1) SYMPTOM:
a. No communication received.
2) SOLUTION:
a. If the display is giving an 04A0 error, LED DSP2 (RS485) should be off (Figure A). If this light is not on and an 04A0 error is present,
replace the console.
b. Check the connection of the console communication cable at both the console and the MCB.
c. Replace the console communication cable.
d. Replace the MCB.
FIGURE A
CHAPTER 8: TROUBLESHOOTING
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