10 TROUBLESHOOTING

MELSEC-Q

1 Take corrective action in the following procedure.

1)Check whether the Q series C24, power supply module and CPU module are mounted correctly on the base unit.

2)Check whether the operating environment of the Q series C24 is within the general specifications range of the CPU module.

3)Check whether the power supply capacity is sufficient or not.

4)Check whether the hardware of the Q series C24, CPU module and base unit are normal according to the manuals of the corresponding modules.

If any module is faulty, please contact your local Mitsubishi service center or representative for repair.

5)If the problem cannot be solved through the above steps, please consult your local Mitsubishi service center or representative, explaining a detailed description of the problem.

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