12-7
12 Troubleshooting and Maintenance
G5 Series AC Servo Drives With Built-in EtherCAT Communications, Linear Motor Type
12-3 Errors
12
12-3-1 Error List
12-3 Errors
If the Servo Drive detects an abnormality, it outputs an error (ALM), turns OFF the power drive circuit,
and displays the main error number on the front panel.
Precautions for Correct UsePrecautions for Correct Use
• Refer to12-4-1 Troubleshooting with Error Displays on page 12-11 for troubleshooting errors.
• Reset the error using one of the following methods. Remove the cause of the error first.
Turn OFF the power supply, then turn it ON again.
Reset the error via EtherCAT communications or from the CX-Drive via USB
communications.
However, some errors can only be reset by turning the power supply OFF then ON again.
Refer to the12-3-1 Error List on page 12-7.
• An Overload Error (Error No. 16.0) cannot be reset for 10 seconds after it occurs.
• If “hh,” “FF,” or “HH” is displayed as the error number, the internal MPU has malfunctioned.
Turn OFF the power immediately if one of these error numbers is displayed.
12-3-1 Error List
Error No. (hex)
Error detection function
Attribute
Main Sub History
Can be
reset
Immediate
stop
*1
11 0 Control Power Supply Undervoltage
12 0 Overvoltage
13 0 Main Power Supply Undervoltage (insufficient voltage
between P and N)
1 Main Power Supply Undervoltage (AC cutoff detected)
14 0 Overcurrent
1 IPM Error
15 0 Servo Drive Overheat
16 0 Overload
*2
18 0 Regeneration Overload
1 Regeneration Tr Error
24 0 Error Counter Overflow
1 Excessive Speed Deviation Error
26 0 Overspeed
1 Overspeed 2
27
4 Command Error
5 Command Generation Error
6 Operation Command Duplicated
7 Position Data Initialized
29 1 Error Counter Overflow 1
2 Error Counter Overflow 2
30 0 Safety Input Error
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