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8.10 02A1 / 02A2 error TroUbleSHooTiNG
error meSSAGe 02A1 / 02A2
1) cause:
a. 02A1 - Over AC power input voltage.
b. 02A2 - Over / low DC bus voltage.
2) sOLuTION:
a. Use a multi - meter to check if the input power is over 260V.
b. If the power outlet is OK, replace the MCB.
error meSSAGe 02Ad
1) cause:
a. MCB over temperature.
2) sOLuTION:
a. Check the condition and connection of the motor cable at the MCB (Figure A).
b. Use a multi - meter to check the motor cable for resistance at the 2 blue wires in the cable (Figure B).
c. If the blue wires of the motor cable display an ohm value, replace the motor.
d. If the blue wires of the motor cable do not display an ohm value, replace the MCB.
8.11 02Ad error TroUbleSHooTiNG
fiGUre A
fiGUre b
CHAPTer 8: TroUbleSHooTiNG
