Mitsubishi MELSEC-Q QD77MS, User Manual

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16 - 49
Chapter 16 Troubleshooting
Classification
of errors
Error code
Servo amplifier
LED display
Name Details name Remarks
16.1
Encoder initial communication -
Receive data error 1
16.2
Encoder initial communication -
Receive data error 2
16.3
Encoder initial communication -
Receive data error 3
16.5
Encoder initial communication -
Transmission data error 1
16.6
Encoder initial communication -
Transmission data error 2
16.7
Encoder initial communication -
Transmission data error 3
16.A
Encoder initial communication -
Process error 1
16.B
Encoder initial communication -
Process error 2
16.C
Encoder initial communication -
Process error 3
16.D
Encoder initial communication -
Process error 4
16.E
Encoder initial communication -
Process error 5
2016
16.F
Encoder initial
communication error 1
Encoder initial communication -
Process error 6
17.1 Board error 1
17.3 Board error 2
17.4 Board error 3
17.5 Board error 4
2017
17.6
Board error
Board error 5
19.1 Flash-ROM error 1
2019
19.2
Memory error 3 (Flash-
ROM)
Flash-ROM error 2
20.1
Encoder normal communication -
Receive data error 1
20.2
Encoder normal communication -
Receive data error 2
20.3
Encoder normal communication -
Receive data error 3
20.5
Encoder normal communication -
Transmission data error 1
20.6
Encoder normal communication -
Transmission data error 2
20.7
Encoder normal communication -
Transmission data error 3
20.9
Encoder normal communication -
Receive data error 4
Servo
amplifier
errors
2020
20.A
Encoder normal
communication error 1
Encoder normal communication -
Receive data error 5