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Chapter 16 Troubleshooting
16.6 List of warnings
The following table shows the warning details and remedies to be taken when a
warning occurs.
16.6.1 LD77MS detection warning
Classification
of warnings
Warning
code
Warning name
Warning
Operation status at warning occurrence
— 000
(Normal
status)
—
—
Common
warnings
100
Start during operation
• The start request is issued while the axis
is BUSY.
• Positioning was started during speed
control mode/torque control mode.
Position control mode:
The operation continues.
Speed control mode/torque control mode:
The operation continues. (Positioning
start is not executed.)
104
Restart not possible
The restart command is issued when the
axis operation status is not "Stopped".
Continue the operation.
109
Teaching in BUSY
The teaching request is issued while the
axis is BUSY.
The warning is issued for the axis
designated at the time of the teaching
request.
110
Less than minimum
speed
The overridden speed becomes “0”.
The system is controlled with the currently
executing unit of 1.
111
In PLC READY
The request for writing to the flash ROM is
issued when the PLC READY is turned
ON.
The warning for axis 1 is issued.
112
Illegal override value
A value other than 1 to 300 is set for the
override value.
• When a setting value is 0:
Controlled at 100.
• When a setting value is 301 or more:
Controlled at 300.
113
Outside new torque
value range/outside
forward new torque
value range
A new torque value/forward new torque
value is exceeded the torque limit setting
value.
(Note): When the individual setting is used
for new torque value and new
reverse torque value, it indicates
outside forward new torque value.
The torque change is not carried out.
114
Below bias speed
The command speed is below the bias
speed at start.
Operate by the bias speed at start.
115
Outside new reverse
torque value range
A new reverse torque value is exceeded
the torque limit setting value.
The torque change is not carried out.
Summary of Contents for MELSEC-L Series
Page 2: ......
Page 30: ...MEMO ...
Page 70: ...2 10 Chapter 2 System Configuration MEMO ...
Page 83: ...3 13 Chapter 3 Specifications and Functions MEMO ...
Page 103: ...3 33 Chapter 3 Specifications and Functions MEMO ...
Page 107: ...3 37 Chapter 3 Specifications and Functions MEMO ...
Page 111: ...3 41 Chapter 3 Specifications and Functions MEMO ...
Page 115: ...3 45 Chapter 3 Specifications and Functions MEMO ...
Page 140: ...4 22 Chapter 4 Installation Wiring and Maintenance of the Product MEMO ...
Page 253: ...5 113 Chapter 5 Data Used for Positioning Control MEMO ...
Page 342: ...5 202 Chapter 5 Data Used for Positioning Control MEMO ...
Page 438: ...7 20 Chapter 7 Memory Configuration and Data Process MEMO ...
Page 440: ...MEMO ...
Page 485: ...9 25 Chapter 9 Major Positioning Control MEMO ...
Page 594: ...9 134 Chapter 9 Major Positioning Control MEMO ...
Page 624: ...10 30 Chapter 10 High Level Positioning Control MEMO ...
Page 656: ...11 32 Chapter 11 Manual Control MEMO ...
Page 690: ...12 34 Chapter 12 Expansion Control MEMO ...
Page 798: ...13 108 Chapter 13 Control Sub Functions MEMO ...
Page 866: ...14 68 Chapter 14 Common Functions MEMO ...
Page 884: ...15 18 Chapter 15 Dedicated Instructions MEMO ...
Page 899: ...16 15 Chapter 16 Troubleshooting MEMO ...
Page 1036: ...Appendix 88 Appendices MEMO ...
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