Mitsubishi Electric Melservo-J4 Instruction Manual page 22

Alarm Detail
No. Name No.
70 Load-side 70.7
encoder initial
communication
error 1
70.8
70.A
70.B
70.C
70.D
70.E
70.F
71 Load-side 71.1
encoder
normal
communication
error 1
71.2
71.3
71.5
1 TROUBLESHOOTING FOR SERVO AMPLIFIER (DRIVE UNIT)
20
1.2 Alarm list
Stop Alarm deactivation
method
Name Alarm
*2*3
reset

Load-side DB
encoder initial
communication
- Transmission
data error 3

Load-side DB
encoder initial
communication
- Incompatible
*6
encoder
Load-side DB 
encoder initial
communication
- Process error
1

Load-side DB
encoder initial
communication
- Process error
2

Load-side DB
encoder initial
communication
- Process error
3

Load-side DB
encoder initial
communication
- Process error
4

Load-side DB
encoder initial
communication
- Process error
5

Load-side DB
encoder initial
communication
- Process error
6

Load-side EDB
encoder normal
communication
- Receive data
error 1
Load-side EDB 
encoder normal
communication
- Receive data
error 2

Load-side EDB
encoder normal
communication
- Receive data
error 3

Load-side EDB
encoder normal
communication
- Transmission
data error 1
Process
ing
CPU Cycling
system
reset the
*9
power
 
Each axis
 
Each axis
  Each axis
 
Each axis
 
Each axis
 
Each axis
 
Each axis
 
Each axis
 
Each axis
  Each axis
 
Each axis
 
Each axis
*8
Stop Alarm code
system
ACD3 ACD2 ACD1
*9
(Bit 3) (Bit 2) (Bit 1)
Each 0 1 1
axis
Each
axis
Each
axis
Each
axis
Each
axis
Each
axis
Each
axis
Each
axis
Each 0 1 1
axis
Each
axis
Each
axis
Each
axis
ACD0
(Bit 0)
0
0