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| E6581090 |
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| (Continued) |
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| Error |
| Alarm | Problem |
| Possible causes |
| Remedies |
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| code |
| code |
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| QR |
| 000B | Overvoltage during | • | The deceleration time FGE is | • | Increase the deceleration time |
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| deceleration |
| too short. (Regenerative |
| FGE. |
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| energy is too large.) | • | Enable H (overvoltage |
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| • | H (overvoltage limit |
| limit operation). |
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| operation) is off. | • | Insert a suitable input reactor. |
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| • | The input voltage fluctuates |
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| abnormally. |
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| ①The power supply has a |
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| capacity of 200kVA or more. |
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| ②A power factor improvement |
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| capacitor is opened or closed. |
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| ③A system using a thyristor is |
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| connected to the same power |
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| distribution line. |
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| QR |
| 000C | Overvoltage during | • | The input voltage fluctuates | • | Insert a suitable input reactor. |
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| abnormally. |
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| operation | ①The power supply has a |
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| capacity of 200kVA or more. |
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| ②A power factor improvement |
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| capacitor is opened or closed. |
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| ③A system using a thyristor is |
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| connected to the same power |
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| distribution line. |
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| • | The motor is in a regenerative |
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| state because the load causes |
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| the motor to run at a frequency |
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| higher than the inverter output |
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| frequency. |
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| QN |
| 000D | Inverter overload | • | The acceleration time ACC is | • | Increase the acceleration time |
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| too short. |
| CEE. |
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| • | The DC braking amount is too | • | Reduce the DC braking amount |
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| large. |
| H and the DC braking |
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| time H. |
13 |
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| • | The V/F setting is improper. | • | Check the V/F parameter | |
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| • | A restart signal is input to the |
| setting. |
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| rotating motor after a | • | Use H |
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| momentary stop, etc. |
| H |
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| • | The load is too large. |
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| • | Use an inverter with a larger |
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| rating. |
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| QN |
| 000E | Motor overload | • | The V/F setting is improper. | • | Check the V/F parameter |
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| • | The motor is locked up. |
| setting. |
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| • | • | Check the load (operated | |
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| performed continuously. |
| machine). |
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| • | An excessive load is applied to | • | Adjust QNO to the overload |
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| the motor during operation. |
| that the motor can withstand |
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| during operation in a low speed |
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| range. |
| * |
| 0009 | Output phase failure | • | A phase failure occurred in the | • | Check the main circuit output | ||
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| GRJ |
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| output line of the main circuit. |
| line, motor, etc., for phase |
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| failure. |
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| • | Enable H (Output phase |
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| failure detection). |
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| (Continued overleaf) |
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