9. TROUBLESHOOTING
9.3 Remedies for warnings
If E6, E7, E9 or EE occurs, the servo off status is established. If any other warning occurs, operation can be continued but an alarm may take place or proper operation may not be performed. Eliminate the cause of the warning according to this section. Use the optional servo configuration software to refer to the cause of warning.
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92 | Open battery | Absolute position | 1. Battery cable is open. | Repair cable or changed. | ||||||||
| cable warning | detection system battery | 2. Battery voltage dropped to 2.8V or less. | Change battery. | ||||||||
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96 | Home position | Home position return | 1. Droop pulses remaining are greater | Remove the cause of droop pulse | ||||||||
| setting warning | could not be made in the | than the | occurrence | ||||||||
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| precise position. | 2. Home position return was executed | Reduce creep speed. | ||||||||
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| during operation command |
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| 3. Creep speed high. |
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9F | Battery warning | Voltage of battery for | Battery voltage fell to 3.2V or less. | Change the battery. | ||||||||
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| detection system reduced. |
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E0 | Excessive | There is a possibility that | Regenerative power increased to 85% or | 1. Reduce frequency of | ||||||||
| regenerative | regenerative power may | more of permissible regenerative power of | positioning. | ||||||||
| warning | exceed permissible | 2. Change regenerative brake | |||||||||
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| regenerative power of | regenerative brake option. | option for the one with larger | ||||||||
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| Checking method |
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| capacity. | |
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| brake resistor or |
| Call the status display and check |
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| 3. Reduce load. | |||||
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| regenerative brake |
| regenerative load ratio. |
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| option. |
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E1 | Overload | There is a possibility that | Load increased to 85% or more of overload | Refer to 50, 51. | ||||||||
| warning | overload alarm 1 or 2 | alarm 1 or 2 occurrence level. |
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| may occur. |
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| Cause, checking method |
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| Refer to 50, 51. |
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E3 | Absolute position | Absolute position encoder | 1. Noise entered the encoder. | Take noise suppression | ||||||||
| counter warning | pulses faulty. |
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| measures. |
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| 2. Encoder faulty. | Change servo motor. | ||||||||
E4 | Parameter | Parameter outside | Parameter value set from servo system | Set it correctly. | ||||||||
| warning | setting range | controller is outside setting range |
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E6 | Servo forced stop | External forced stop was made valid. | Ensure safety and deactivate | |||||||||
| warning |
| forced stop. | |||||||||
E7 | Controller |
| Emergency stop signal was entered into | Ensure safety and deactivate | ||||||||
| emergency stop |
| the servo system controller. | emergency stop. | ||||||||
| warning |
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E9 | Main circuit off | Servo was switched on |
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| Switch on main circuit power. |
| warning | with main circuit power |
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| off. |
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EE | SSCNET error | The servo system |
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| warning | controller connected is |
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| not |
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