02B5 Error Troubleshooting - Matrix t3x-03 Service Manual

8.12 02B5 ERROR TROUBLESHOOTING

ERROR MESSAGE 02B5
1) CAUSE:
a. The inverter sensor is reading the normal rated current is over 10.5 amps for 60 seconds.
2) SOLUTION:
a. Use a multi - meter to check the motor cable for resistance at 3 points (Figures A, B, & C).
b. If the motor cable displays an ohm value over 4, replace the motor.
c. If the motor cable displays an ohm value under 4, replace the MCB.
FIGURE B
CHAPTER 8: TROUBLESHOOTING
FIGURE A
FIGURE C
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