Matrix T5X-04, Service Manual, Page: 26 / 74

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8.9 02AD ERROR TROUBLESHOOTING
ERROR MESSAGE 02AD
1) SYMPTOM:
a. MCB is over temperature.
2) SOLUTION:
a. Check to see that both fans are operating (there is a fan mounted to the MCB itself as well as an external fan). Also check the
connection of the fans at the MCB (Figure A).
b. If the fans are running correctly, replace the MCB.
FIGURE A
8.10 02B2 ERROR TROUBLESHOOTING
ERROR MESSAGE 02B2
1) SYMPTOM:
a. The emergency circuit on the interface board active.
2) SOLUTION:
a. Check the connection of the safety key (emergency stop) switch (Figure A). If the switch is always open or shorted out, replace the
switch.
b. If the emergency stop does not resolve the issue, replace the console.
FIGURE A
CHAPTER 8: TROUBLESHOOTING