Operation Failure
[Condition 1] LED1 (Servo/Alarm) do not light up
No. | Possible cause | Confirmation/countermeasure |
|---|
１ | The specified power is not supplied. | - Make sure that normal voltage is secured and wiring processing is correct.
- Also, be sure to check for disconnection or partial disconnection in connectors and wiring.
For details, refer to Way of Wiring (for Connect to PIO Control / Connector) or Way of Wiring (for Connect to PIO Control / Cables) for models with pulse motor equipped.
For details, refer to Way of Wiring (for Connect to PIO Control / Connector) or Way of Wiring (for Connect to PIO Control / Cables) for models with 24V AC servomotor equipped.
For details, refer to Way of Wiring (for Connect to PIO Control / Connector) or Way of Wiring (for Connect to PIO Control / Cables) for models with 200V AC servomotor equipped.
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２ | The unit is switched to servo OFF with the teaching tool. | Turn ON the servo with PC teaching software or teaching pendant. |
３ | Controller breakdown | - Replace the motor unit.
For details, refer to Instruction manual for each ELECYLINDER, Motor unit replacement. - If the unit still does not recover, contact IAI.
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[Condition 2] LED1 (Servo/Alarm) light up red
No. | Possible cause | Confirmation/countermeasure |
|---|
１ | Alarm generated. | - Connect the teaching tool.
- Upon checking the alarm code, resolve the cause.
For details, refer to Troubleshooting by Alarm Groups.
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２ | The stop switch of the teaching pendant is being pressed. | Release the stop switch. |
[Condition 3] The unit does not operate even when a command is sent from a master device such as a PLC
No. | Possible cause | Confirmation/countermeasure |
|---|
１ | I/O signal communication is not established | - Check the input/output status of the I/O signal with the monitoring function of the teaching tool.
(both the master device and the ELECYLINDER) - Make sure the I/O signal voltage is normal.
- Check whether the length of the I/O signal cable is within 10m, and whether the wire diameter is thinner than the applicable value.
- Make sure the wiring processing is correct.
For details, refer to Way of Wiring (for Connect to PIO Control / Connector) or Way of Wiring (for Connect to PIO Control / Cables) for models with pulse motor equipped.
For details, refer to Way of Wiring (for Connect to PIO Control / Connector) or Way of Wiring (for Connect to PIO Control / Cables) for models with 24V AC servomotor equipped.
For details, refer to Way of Wiring (for Connect to PIO Control / Connector) or Way of Wiring (for Connect to PIO Control / Cables) for models with 200V AC servomotor equipped.
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2 | Disconnection of power & I/O cable,
disconnection or contact failure of power & I/O connector | - Check whether the cable is disconnected/partially disconnected.
- Make sure that the connector and cable are not pulled out.
For details, refer to Way of Wiring (for Connect to PIO Control / Connector) or Way of Wiring (for Connect to PIO Control / Cables) for models with pulse motor equipped.
For details, refer to Way of Wiring (for Connect to PIO Control / Connector) or Way of Wiring (for Connect to PIO Control / Cables) for models with 24V AC servomotor equipped.
For details, refer to Way of Wiring (for Connect to PIO Control / Connector) or Way of Wiring (for Connect to PIO Control / Cables) for models with 200V AC servomotor equipped.
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3 | Movement command issued to stopping position
When stopping at "Forward end", check the ladder sequence by
sending a "Forward" command etc. | Check the ladder sequence and the setting of the forward end/backward end. |
４ | Edge signals are input to "Forward" and "Backward". | Check the ladder sequence and input level signals. |
* For details on I/O signals, refer to Operation from Master Device.
