Mitsubishi Electric MELSERVO-J4 Series Instruction Manual page 287

No. Name
65 Functional safety unit
connection error
66 Encoder initial communication
error (safety observation
function)
67 Encoder normal
communication error 1 (safety
observation function)
68 STO diagnosis error
69 Command error
70 Load-side encoder initial
communication error 1
Detail Detail name
No.
65.1 Functional safety unit communication error 1
65.2 Functional safety unit communication error 2
65.3 Functional safety unit communication error 3
65.4 Functional safety unit communication error 4
65.5 Functional safety unit communication error 5
65.6 Functional safety unit communication error 6
65.7 Functional safety unit communication error 7
65.8 Functional safety unit shut-off signal error 1
65.9 Functional safety unit shut-off signal error 2
66.1 Encoder initial communication - Receive data error 1
(safety observation function)
66.2 Encoder initial communication - Receive data error 2
(safety observation function)
66.3 Encoder initial communication - Receive data error 3
(safety observation function)
66.7 Encoder initial communication - Transmission data
error 1 (safety observation function)
66.9 Encoder initial communication - Process error 1
(safety observation function)
67.1 Encoder normal communication - Receive data error
1 (safety observation function)
67.2 Encoder normal communication - Receive data error
2 (safety observation function)
67.3 Encoder normal communication - Receive data error
3 (safety observation function)
67.4 Encoder normal communication - Receive data error
4 (safety observation function)
67.7 Encoder normal communication - Transmission data
error 1 (safety observation function)
68.1 Mismatched STO signal error
69.1 Forward rotation-side software limit detection -
Command excess error
69.2 Reverse rotation-side software limit detection -
Command excess error
69.3 Forward rotation stroke end detection - Command
excess error
69.4 Reverse rotation stroke end detection - Command
excess error
69.5 Upper stroke limit detection - Command excess error
69.6 Lower stroke limit detection - Command excess error
70.1 Load-side encoder initial communication - Receive
data error 1
70.2 Load-side encoder initial communication - Receive
data error 2
70.3 Load-side encoder initial communication - Receive
data error 3
70.4 Load-side encoder initial communication - Encoder
*6
malfunction
70.5 Load-side encoder initial communication -
Transmission data error 1
70.6 Load-side encoder initial communication -
Transmission data error 2
Stop Alarm deactivation
method
Alarm CPU
*2*3
reset reset
SD  
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SD
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SD
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DB
8 TROUBLESHOOTING
8.2 Alarm list
Cycling
the
power
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8
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