Troubleshooting | Abnormal or Unstable Operation

Abnormal or Unstable Operation

[Condition 1] Home return completes in the middle of home return operation

During home return operation, the ELECYLINDER moves until it hits the mechanical end, then reverses and stops at home. When the load is excessive or the unit hits interference, it may determine that the mechanical end has been reached, without actually having done so.

No.	Possible cause	Confirmation/countermeasure
1	A load exceeding the maximum payload is applied.	Reduce the load.
2	A moving part is hitting interference while moving.	Remove the interfering object.
3	The body or guide is twisted due to the fixing method of the ELECYLINDER.	Loosen the fixing bolt and check whether the moving part moves smoothly. If it does, check whether the mounting surface is distorted. Re-mount according to the mounting method described in the instruction manual. For details, refer to the instruction manual for each ELECYLINDER Chapter 2 Installation.
4	The sliding resistance of the ELECYLINDER is excessive.	Contact IAI.

[Condition 2] The movement is complete, but the LS signal is not output

No.	Possible cause	Confirmation/countermeasure
1	LS signal (I/O signal) communication is not established	Check the input/output status of the LS signal (I/O signal) with the monitoring function of the teaching tool. (both the master device and the ELECYLINDER) Make sure the LS signal (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.
2	The detection range of the LS signal is set below the minimum resolution	Adjust Parameter No. 2 "Auto switch "LS" signal detection range adjustment" appropriately. For details, refer to Parameter No.2: Auto switch "LS" Signal Detection Range Adjustment.

[Condition 3] Shock or vibration is observed in acceleration/deceleration

No.	Possible cause	Confirmation/countermeasure
1	Acceleration/deceleration setting is too high. A load susceptible to acceleration and deceleration is mounted. The ELECYLINDER is mounted on equipment with a structure susceptible to acceleration and deceleration.	Lower the acceleration/deceleration setting. Enable Parameter No. 5 "Smooth accel/decel setting" and check its effect. For details, refer to Parameter No.5: Smooth Accel/Decel Setting.
2	Load inertia is excessive.	Lower the deceleration and suppress overshoot.

[Condition 4] The unit vibrates slightly while stopped

No.	Possible cause	Confirmation/countermeasure
1	A load susceptible to vibration is mounted The ELECYLINDER is mounted on a frame with a structure susceptible to vibration	Lower the acceleration/deceleration setting. If Parameter No. 6 "Current control setting at stop" is disabled, enable it and check its effect. For details, refer to Parameter No.6: Current Control Setting at Stop.

Abnormal or Unstable Operation

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