Yaskawa MotionWorks+ Windows Software User Manual
Page 118
Programming Tools
MotionWorks+™
112
mAlarm_Servo_Code - The Alarm Code from the SGDH amplifier. The alarm dis-
played on the front panel is identical, but shown in decimal. A value of 99H on the
SGDH is 153 decimal, which means no alarm. See the list below.
SGDH Front
Panel (Hex)
mAlarm_Servo_
Code (Dec)
Alarm Name
Description
2
2
Parameter Breakdown
EEPROM data in the servo amplifier is
abnormal.
3
3
Main Circuit Encoder
Error
Detection data for the power circuit is
abnormal.
4
4
Parameter Setting Error
The parameter setting is outside the allow-
able setting range.
5
5
Servomotor and Amplifier
Combination Error
Servo amplifier and servomotor capacities
do not match each other.
10
16
Overcurrent or Heat Sink
Overheated
An overcurrent flowed through the IGBT.
Heat sink of servo amplifier is overheated.
30
48
Regeneration Error
Detected
Regenerative circuit is faulty. Regenera-
tive resistor is faulty.
32
50
Regenerative Overload
Regenerative energy exceeds regenera-
tive resistor capacity.
40
64
Overvoltage
Main circuit DC voltage is excessively
high.
41
65
Undervoltage
Main circuit DC voltage is excessively low.
51
81
Overspeed
Rotational speed of the servo is exces-
sively high.
71
113
Overload: High Load
The motor was operating for several sec-
onds to several tens of seconds under a
torque greatly exceeding ratings.
72
114
Overload: Low Load
The motor was operating continuously
under a torque exceeding the ratings.
73
115
Dynamic Brake Overload When the dynamic brake was applied,
rotational energy exceeded the capacity of
the dynamic brake resistor.
74
116
Overload of Surge Cur-
rent Limit Resistor
The main circuit was frequently turned ON
and OFF.
7A
122
Heat Sink Overload
The heat sink of the servo amplifier over-
heated.
81
129
Absolute Encoder Backup
Error
All of the power supplies for the absolute
encoder have failed and position data was
cleared.
82
130
Encoder Checksum Error The checksum results of the encoder
memory is abnormal.
83
131
Absolute Encoder Battery
Error
Battery voltage for the absolute encoder
has dropped.