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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 Use
Precautions 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)
Main
Sub
11
0
12
0
13
0
1
14
0
1
15
0
16
0
18
0
1
24
0
1
26
0
1
4
5
27
6
7
29
1
2
30
0
G5 Series AC Servo Drives With Built-in EtherCAT Communications, Linear Motor Type
Error detection function
Control Power Supply Undervoltage
Overvoltage
Main Power Supply Undervoltage (insufficient voltage
between P and N)
Main Power Supply Undervoltage (AC cutoff detected)
Overcurrent
IPM Error
Servo Drive Overheat
Overload
Regeneration Overload
Regeneration Tr Error
Error Counter Overflow
Excessive Speed Deviation Error
Overspeed
Overspeed 2
Command Error
Command Generation Error
Operation Command Duplicated
Position Data Initialized
Error Counter Overflow 1
Error Counter Overflow 2
Safety Input Error
12 Troubleshooting and Maintenance
History
12
Attribute
Immediate
Can be
*1
reset
stop
*2
12-7
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Troubleshooting
