Troubleshooting
20-2
20.1 Self-diagnosis Function
20.1.1 Status display LED of the Control Unit
•
When an error occurs in the embedded control unit, judge the current situation and stop the
running self-diagnosis function as needed.
•
When an error occurs, the status display LED of the control unit is as shown in below table.
Self-diagnosis related LED display
LED display
Description
Run
RUN
PROG.
ERR.
Normal
○
×
×
In normal operation
Run
×
○
×
Prog mode
In prog mode, even if forcible output is
performed, LED does not blink.
Stop
△
△
×
In RUN mode, during forcible input/output,
RUN and PROG. LEDs will blink one by one.
Run
Excepti
on
○
×
△
Self-diagnosis error (in operation)
Run
×
○
△
Self-diagnosis error (being stopped)
Stop
-
○
○
System monitoring timer stops working
Stop
○: ON,
△
: Blink, ×
:
off,
-
: on or off
Summary of Contents for FP-XH M8N16PD
Page 1: ......
Page 23: ...1 System Structure ...
Page 39: ...2 Control Unit Specifications ...
Page 48: ...Control Unit Specifications 2 10 ...
Page 49: ...3 I O Allocation ...
Page 77: ...4 Installation ...
Page 89: ...5 Wiring of Power Supply and General purpose I O Parts ...
Page 104: ...Wiring of Power Supply and General purpose I O Parts 5 16 ...
Page 105: ...6 Wiring of Motion I O Parts ...
Page 116: ...Wiring of Motion I O Parts 6 12 ...
Page 117: ...7 Power On Off and Check Items ...
Page 124: ...Power On Off and Check Items 7 8 ...
Page 125: ...8 Steps Before Running ...
Page 142: ...Steps Before Running 8 18 ...
Page 143: ...9 Setting of Position Control Parameters ...
Page 159: ...10 Transfer to Unit and Commissioning ...
Page 181: ...11 Automatic Operation Position Control ...
Page 193: ...11 2 Interpolation Control 11 13 ...
Page 209: ...12 Automatic Operation Synchronous Control ...
Page 251: ...13 Manual Operation JOG Operation ...
Page 256: ...Manual Operation JOG Operation 13 6 ...
Page 257: ...14 Manual Operation Home Return ...
Page 264: ...Manual Operation Home Return 14 8 ...
Page 265: ...15 Pulse Input Function ...
Page 278: ...Pulse Input Function 15 14 ...
Page 279: ...16 Stop Function ...
Page 285: ...17 Auxiliary Function ...
Page 329: ...18 Instruction Reference ...
Page 357: ...19 Error Warning Annunciation Function ...
Page 386: ...Error Warning Annunciation Function 19 30 ...
Page 387: ...20 Troubleshooting ...
Page 402: ...Troubleshooting 20 16 ...
Page 403: ...21 Memory Master Memory Cassette ...
Page 418: ...Memory Master Memory Cassette 21 16 ...
Page 419: ...22 Security Functions ...
Page 430: ...Security Functions 22 12 ...
Page 431: ...23 General purpose Input High speed counter Function ...
Page 448: ...General purpose Input High speed counter Function 23 18 ...
Page 449: ...24 Other Functions ...
Page 452: ...Other Functions 24 4 ...
Page 453: ...25 Maintenance and Inspection ...
Page 457: ...26 Specifications ...
Page 552: ...Specifications 26 96 ...
Page 553: ...Record of changes Manual No Date Record of Changes WUME FPXHM8N16PD 01 Sep 2017 First Edition ...
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