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| E6580757 |
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| (Continued) |
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| Error code | Communication | Problem |
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| Remedies |
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* | 1D | • The output current falls to the |
| • | Enable | ||||
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| tion trip |
| detection level during operation. |
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| rameter). |
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| • Check whether the detection level is set | ||
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| properly to the system. | |
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| ( and | ) |
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| • If no error is found in the setting, make a | ||
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| service call. |
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| 22h | Ground fault trip | • A ground fault occurs in the output cable |
| • Check the cable and the motor for ground | |||
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| or the motor. |
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| faults. |
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| 11h | Emergency stop | • During automatic operation or remote op- |
| • | Reset the inverter. | ||
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| eration, a stop command is entered from |
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| the operation panel or a remote input de- |
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| vice. |
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| 15h | Main unit RAM fault | • | The control RAM is defective. |
| • Make a service call. | ||
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| 16h | Main unit ROM fault | • | The control ROM is defective. |
| • Make a service call. | ||
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| 17h | CPU fault trip | • | The control CPU is defective. |
| • Make a service call. | ||
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| 18h | Remote control error | • An error arises during remote operation. |
| • Check the remote control device, cables, | |||
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| etc. |
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| 29h | Inverter type error | • The control circuit board (main circuit |
| • Make a service call. | |||
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| board or drive circuit board) is replaced. |
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| 12h | EEPROM fault | • A data writing error occurs. |
| • Turn off the inverter, then turn it on again. | |||
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| If it does not recover from the error, make | |
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| a service call. |
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| 28h | • Check the settings of the motor parameters |
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| to | . | ||
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| • Check that the motor is not two or more sizes smaller in capacity than the inverter. | |||||
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| • Check that the inverter output cable is not too thin. |
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| • Check that the motor is not running. |
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| • Check that the motor is a |
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*With a parameter, you can choose between trip-on and -off.
[Alarm information] Each message in the table is displayed to give a warning but does not cause the inverter to trip.
Error code | Problem | Possible causes | Remedies |
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(Note 1) | ST terminal OFF | • The | • Close the |
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| Undervoltage in main | • The supply voltage between R, S and T is | • Measure the main circuit supply voltage. |
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| circuit | under voltage. | If the voltage is at a normal level, the |
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| inverter requires repairing. |
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| Retry in process | • The inverter is in the process of retry. | • The inverter is normal if it restarts after |
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| • A momentary stop occurred. | several tens of seconds. |
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| The inverter restarts automatically. Be |
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| careful of the machine because it may |
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| suddenly restart. |
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| Frequency point set- | • The frequency setting signals at points 1 | • Set the frequency setting signals at points |
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| ting error | and 2 are set too close to each other. | 1 and 2 apart from each other. |
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| Clear command ac- | • This message is displayed when pressing | • Press the STOP key again to clear the |
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| ceptable | the STOP key while an error code is dis- | trip. |
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| 13 | ||||
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| played. |
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| Emergency stop | • The operation panel is used to stop the | • Press the STOP key for an emergency |
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| command accept- | operation in automatic control or remote | stop. |
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| able | control mode. | To cancel the emergency stop, press any |
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| other key. |
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| Setting error alarm / | • An error is found in a setting when data is | • Check whether the setting is made cor- |
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| An error code and | reading or writing. | rectly. |
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| data are displayed |
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| alternately twice |
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| each. |
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(Continued overleaf)