166
part normal working life
Cooling fan 2 ～ 3 years
Electrolytic capacitor 4 ～ 5 years
PCB 5 ～ 8 years
7 Maintenance
Many factors such as ambient temperature, humidity, smog, internal component aging will
give rise to the occurrence of potential faults. Therefore, it is necessary to conduct routine and
periodic maintenance during storage or using of the driver.
When the driver operates normally, please check if there are the following items:
◇ abnormal sound or vibration of the motor;
◇ abnormal heat producing from the driver or motor;
◇ high ambient temperature;
◇ whether the load current is as usual;
◇ whether the cooling fan of the driver runs normally.
7.2 Periodic Maintenance
7.1 Routine Maintenance
To maintain a long-term normal operation, it is necessary to conduct periodic maintenance
according to the working life of internal electronic components. The working life varies with the
operation condition. The following table is for reference.
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