
| Fault | Fault Descriptions |
| Corrective Actions |
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| Name |
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| Overload 2 | 1. Reduce the motor load. | ||
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| 2. Adjust the | |||
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| Motor overload. | |||
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| appropriate setting (Pr.06.03 to Pr.06.05). | ||
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| Software protection failure | Return to the factory. | ||
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| CC (current clamp) |
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| OV hardware error | Return to the factory. | ||
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| GFF hardware error | |||
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| OC hardware error |
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| 1. When the external input terminal (B.B) is active, | ||
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| External Base Block. |
| the AC motor drive output will be turned off. | |
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| (Refer to Pr. 08.07) | 2. | Deactivate the external input terminal (B.B) to | |
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| operate the AC motor drive again. | |
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| 1. | When | |
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| are set to external fault, the AC motor drive | |
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| External Fault |
| stops output U, V and W. | |
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| 2. | Give RESET command after fault has been | |
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| cleared. | |
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| 1. | ||
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| poor insulation at the output lines. | |
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| 2. | Torque boost too high: Decrease the torque | |
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| compensation setting in Pr.07.02. | |
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| 3. Acceleration Time too short: Increase the | |||
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| acceleration | |||
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| Acceleration Time. | ||
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| ||
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| 4. | AC motor drive output power is too small: | |
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| Replace the AC motor drive with the next | |
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| higher power model. | |
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| 1. | ||
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| poor insulation at the output line. | |
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| 2. Deceleration Time too short: Increase the | |||
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| Deceleration Time. | ||
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| deceleration |
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| 3. | AC motor drive output power is too small: | ||
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| |||
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| Replace the AC motor drive with the next | |
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| higher power model. | |
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|
| 1. | ||
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| poor insulation at the output line. | |
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| 2. Sudden increase in motor loading: Check for | ||
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| possible motor stall. | ||
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| state operation |
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| 3. | AC motor drive output power is too small: | ||
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| |||
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| Replace the AC motor drive with the next | |
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| higher power model. | |
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| Internal EEPROM can not be | Return to the factory. | ||
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| programmed. | |||
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| |
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| Internal EEPROM can not be | Return to the factory. | ||
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| programmed. | |||
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| Internal EEPROM can not be | 1. | Press RESET key to set all parameters to | |
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| factory setting. | ||
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| read. |
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| 2. | Return to the factory. | ||
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| |||
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| Internal EEPROM can not be | 1. | Press RESET key to set all parameters to | |
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| factory setting. | ||
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| read. |
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| 2. | Return to the factory. | ||
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English- 32