16 - 36
Chapter 16 Troubleshooting
Classification
of errors
Error
code
Error name
Error
Operation status at error occurrence
Parameter
setting range
errors
903
Outside unit
magnification range
• The set value of the basic parameter 1
"Unit magnification" is outside the setting
range.
• "Movement amount per rotation (AL)" ×
"Unit magnification (AM)" exceeds
2147483648.
The READY signal [X0] is not turned ON.
906
Outside bias speed
range
• The set value of the basic parameter 1
"Bias speed at start" is outside the setting
range.
• The bias speed exceeds the speed limit.
907
Outside electronic gear
setting range
The set value of the electronic gear is
outside the setting range.
910
Outside speed limit
value range
• The set value of the basic parameter 2
"Speed limit value" is outside the setting
range.
• The speed limit value is smaller than the
OPR speed.
When the PLC READY signal [Y0] is turned
from OFF to ON
: READY signal [X0] is not turned
ON.
At start
: The system does not operate.
911
Outside acceleration
time 0 range
The set value of the basic parameter 2
"Acceleration time 0" is outside the setting
range.
912
Outside deceleration
time 0 range
The set value of the basic parameter 2
"Deceleration time 0" is outside the setting
range.
920
Backlash
compensation amount
error
The calculation result of the following
equation is smaller than 0 or larger than
4194304.
0
≤
Pr.11
×
Pr.2
Pr.3
×
Pr.4
≤
4194303
The READY signal [X0] is not turned ON.
921
Software stroke limit
upper limit
• In the unit of "degree", the set value of the
detailed parameter 1 "Software stroke
limit upper limit value" is outside the
setting range.
• In a unit other than "degree", the software
stroke limit upper limit value is smaller
than the software stroke limit lower limit
value.
922
Software stroke limit
lower limit
• In the unit of "degree", the set value of the
detailed parameter 1 "Software stroke
limit lower limit value" is outside the
setting range.
• In a unit other than "degree", the software
stroke limit upper limit value is smaller
than the software stroke limit lower limit
value.
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: ......