15 - 36
MELSEC-Q
15 TROUBLESHOOTING
15.2.2 MR-J3-B detection error
There is an error that the same code is used. Confirm the error for details by the
indication of the servo amplifier.
Classifica
tion of
errors
Error
code
LED
indicator
of servo
amplifier
Error name
Description
Cause
The power supply voltage is low.
There was an instantaneous control
power failure of 60ms or longer.
Shortage of power supply capacity
caused the power supply voltage to
drop at start, etc. .
The bus voltage had dropped to the
following value or less.
MR-J3-
B : 200VDC
MR-J3-
B1: 158VDC
2010
10
Under voltage
• For MR-J3-
B:
The power supply voltage dropped
to 160VAC or less.
• For MR-J3-
B1:
The power supply voltage dropped
to 83VAC or less.
Faulty parts in the servo amplifier.
2012 12
Memory error 1
(RAM)
RAM memory error.
Faulty parts in the servo amplifier.
Printed circuit board fault.
Faulty parts in the servo amplifier.
2013 13
Clock
error
Clock error transmitted from the
QD75MH.
Faulty QD75MH.
2014 14
CPU watch dog
error
Printed circuit board fault.
Faulty parts in the servo amplifier.
Faulty parts in the servo amplifier.
2015 15
Memory error 2
(EEP-ROM)
EEP-ROM error
The number of write times to EEP-
ROM exceeded 100,000.
The encoder connecter (CN2) is
disconnected.
Fault in the encoder.
Encoder cable fault. (Wire breakage
or shot)
2016 16
Encoder error 1
(At power on)
Communication error occurred
between encoder and servo amplifier.
Encoder cable type (2-wire, 4-wire)
selection was wrong in parameter
setting.
2017
17
Board error
CPU or parts of the circuit fault.
Servo
amplifier
errors
2019 19
Memory error 3
(Flash-ROM)
ROM memory error.
Faulty parts in the servo amplifier.
Summary of Contents for QD75MH1
Page 17: ...A 16 MEMO ...
Page 19: ...MEMO ...
Page 66: ...3 11 MELSEC Q 3 SPECIFICATIONS AND FUNCTIONS MEMO ...
Page 97: ...4 18 MELSEC Q 4 INSTALLATION WIRING AND MAINTENANCE OF THE PRODUCT MEMO ...
Page 102: ...5 5 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 110: ...5 13 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 116: ...5 19 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 120: ...5 23 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 124: ...5 27 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 158: ...5 61 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 196: ...5 99 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 202: ...5 105 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 208: ...5 111 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 269: ...5 172 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 290: ...6 21 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 291: ...6 22 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 292: ...6 23 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 293: ...6 24 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 294: ...6 25 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 295: ...6 26 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 296: ...6 27 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
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Page 309: ...6 40 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
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Page 313: ...6 44 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 314: ...6 45 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 315: ...6 46 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
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Page 317: ...6 48 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
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Page 319: ...6 50 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 320: ...6 51 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 348: ...7 7 MELSEC Q 7 MEMORY CONFIGURATION AND DATA PROCESS MEMO ...
Page 352: ...7 11 MELSEC Q 7 MEMORY CONFIGURATION AND DATA PROCESS MEMO ...
Page 363: ...MEMO ...
Page 495: ...9 116 MELSEC Q 9 MAJOR POSITIONING CONTROL MEMO ...
Page 557: ...11 36 MELSEC Q 11 MANUAL CONTROL MEMO ...
Page 689: ...14 18 MELSEC Q 14 DEDICATED INSTRUCTIONS MEMO ...
Page 751: ...Appendix 2 MELSEC Q APPENDICES MEMO ...