10 - 7
10 Troubleshooting and Maintenance
OMNUC G5-series (Pulse-train Input Type) AC Servomotors and Servo Drives User’s Manual
10-3 A
larm Li
st
10
Alarm List
Alarm No.
Error detection function
Description and error cause
Attribute
Main
Sub
History
Can be
cleared
Immediate
stop
*1
11
0
Control Power Supply
Undervoltage
The DC voltage of the main circuit fell
below the specified value.
–
√
–
12
0
Overvoltage
The DC voltage in the main circuit is
abnormally high.
√
√
–
13
0
Main Power Supply
Undervoltage
(insufficient voltage
between P and N)
The DC voltage of the main circuit is low.
–
√
–
1
Main Power Supply
Undervoltage
(AC cutoff detection)
A location was detected where the main
circuit AC power supply is cut off.
–
√
–
14
0
Overcurrent
Overcurrent flowed to the IGBT.
√
–
–
1
IPM Error
Motor power line ground fault or short
circuit.
√
–
–
15
0
Servo Drive Overheat
The temperature of the Servo Drive
radiator exceeded the specified value.
√
–
√
16
0
Overload
Operation was performed with torque
significantly exceeding the rating for
several seconds to several tens of
seconds.
√
√
–
18
0
Regeneration Overload
The regenerative energy exceeds the
processing capacity of the Regeneration
Resistor.
√
–
√
1
Regeneration Tr Error
An error was detected in a Servo Drive
regeneration drive Tr.
√
–
–
21
0
Encoder Communications
Disconnection Error
The encoder wiring is disconnected.
√
–
–
1
Encoder Communications
Error
An encoder communications error was
detected.
√
–
–
23
0
Encoder Communications
Data Error
Communications cannot be performed
between the encoder and the Servo Drive.
√
–
–
24
0
Error Counter Overflow
The error counter accumulated pulse
exceeds the set value for the Error Counter
Overflow Level (Pn014).
√
√
√
1
Excessive Speed error
The difference between the internal
position command speed and the actual
speed (i.e., the speed error) exceeded the
Excessive Speed Error Setting (Pn602).
√
√
√
26
0
Overspeed
The motor rotation speed exceeded the
value set on the Overspeed Level set
(Pn513).
√
√
√
1
Overspeed 2
The motor rotation speed exceeded the
value set on the Overspeed Level set 2
(Pn615).
√
√
–
27
0
Command Pulse
Frequency Error
A command pulse frequency error was
detected.
√
√
√
2
Command Pulse Multiplier
Error
The command pulse divider or multiplier is
not suitable.
√
√
√
28
0
Pulse Regeneration Error
The pulse regeneration output frequency
exceeded the limit.
√
√
√
Summary of Contents for G5 R88D-KE Series
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