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6.14 TROUBLESHOOTING - ERROR 02B9 / 02BA / 02BC / 02BD
ERROR 02B9 / 02BA / 02BC / 02BD
POSSIBLE CAUSES:
1) 02B9 - The inner memory IC data write error.
2) 02BA - The inner memory IC data read error.
3) 02BC - Ground connection or fuse error.
4) 02BD - Inverter hardware interrupt error.
SOLUTION:
1) Replace the MCB.
6.15 TROUBLESHOOTING - ERROR 04A0
ERROR 04A0
POSSIBLE CAUSES:
1) 04A0 - No communication response.
SOLUTION
1) If error 04A0 is present, the MCB Com LED should be burnt out (Figure A).
2) Check the connection of the console cable at the UCB and MCB (Figure B).
3) Replace the console cable.
4) Replace the UCB.
5) Replace the MCB.
FIGURE A
FIGURE B
CHAPTER 6: TROUBLESHOOTING
