02A7 Error Troubleshooting - Matrix T7XI-01 Service Manual

8.9 02a7 error TroUbleSHooTING

error meSSaGe 02a7
1) SymPTom:
a. Inverter output side is detected abnormal sudden increase over current.
2) SolUTIoN:
a. Please check the Motor wire connection between the Motor and MCB (Figure A).
b. Please use the electric meter to check the 3 points (U / V / W) and see if there's data of inside impedance (Figure B & C).
- If yes, replace MCB.
- If no, replace Motor set.
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CHaPTer 8: TroUbleSHooTING
fIGUre a
fIGUre C
fIGUre b
fIGUre d