Mitsubishi Electric MELSERVO-J4 Instruction Manual page 17

1. TROUBLESHOOTING FOR SERVO AMPLIFIER (DRIVE UNIT)
No. Name
Load-side encoder
normal
72
communication
error 2
74 Option card error 1
75 Option card error 2
Functional safety
79
unit diagnosis error
Parameter setting
error
7A
(safety observation
function)
Encoder diagnosis
error
7B
(safety observation
function)
Functional safety
unit communication
7C diagnosis error
(safety observation
function)
Safety observation
7D
error
Master-slave
82
operation error 1
Detail
Detail name
No.
72.1 Load-side encoder data error 1
Load-side encoder data update
72.2
error
Load-side encoder data
72.3
waveform error
Load-side encoder non-signal
72.4
error
Load-side encoder hardware
72.5
error 1
Load-side encoder hardware
72.6
error 2
72.9 Load-side encoder data error 2
74.1 Option card error 1
74.2 Option card error 2
74.3 Option card error 3
74.4 Option card error 4
74.5 Option card error 5
75.3 Option card connection error
75.4 Option card disconnected
Functional safety unit power
79.1
voltage error
Functional safety unit internal
79.2
error
Abnormal temperature of
79.3
functional safety unit
79.4 Servo amplifier error
79.5 Input device error
79.6 Output device error
79.7 Mismatched input signal error
79.8 Position feedback fixing error
Parameter verification error
7A.1
(safety observation function)
Parameter setting range error
7A.2
(safety observation function)
Parameter combination error
7A.3
(safety observation function)
Functional safety unit
7A.4 combination error (safety
observation function)
Encoder diagnosis error 1
7B.1
(safety observation function)
Encoder diagnosis error 2
7B.2
(safety observation function)
Encoder diagnosis error 3
7B.3
(safety observation function)
Encoder diagnosis error 4
7B.4
(safety observation function)
Functional safety unit
7C.1 communication setting error
(safety observation function)
Functional safety unit
7C.2 communication data error
(safety observation function)
7D.1 Stop observation error
7D.2 Speed observation error
82.1 Master-slave operation error 1
Stop Alarm deactivation
method
Cycling
Alarm CPU
(Note
the
reset reset
2, 3)
power
EDB
EDB
EDB
EDB
EDB
EDB
EDB
DB
DB
DB
DB
DB
EDB
DB
DB
(Note 7)
DB
SD
(Note 7)
SD
SD
SD
SD
DB
DB
DB
DB
DB
DB
DB
DB
DB
SD
(Note 7)
SD
(Note 7)
DB
(Note 3)
DB
(Note 7)
EDB
1 - 10
Alarm code (Note 8)
Process-
Stop
ing
system
ACD3 ACD2
system
(Note 9)
(Bit 3) (Bit 2)
(Note 9)
Each Each
axis axis
Each Each
axis axis
Each Each
axis axis
Each Each
0 1
axis axis
Each Each
axis axis
Each Each
axis axis
Each Each
axis axis
1 1
1 0
0 1
0 0
1 1
ACD1 ACD0
(Bit 1) (Bit 0)
1 0
1 1
0 0
1 0
0 0
1 1