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Chapter 16 Troubleshooting
Classification
of errors
Error
code
Error name
Error
Operation status at error occurrence
Encoder
errors
1201 OPR data incorrect
• The backup data for absolute position
restoration is illegal.
• The home position return has never
been executed after the system start.
• The home position return is started, but
not completed correctly.
• The servo alarm "
Absolute position erased
"
(alarm No.: 25) or the servo warning
"Absolute position counter warning"
(warning No.: E3) occurred.
• The servo parameter "Rotation direction
selection/travel direction selection
(PA14)" is changed.
The operation continues.
Absolute
position
1205
SSCNET
communication error
Data received from servo amplifier is in
error.
The operation continues.
Servo
amplifier
2999 Stepping driver fault
Hardware is faulty.
At start: The system does not operate.
During operation: The system stops
immediately.
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 ...
Page 1039: ......