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8. TROUBLESHOOTING
8.2 Alarm list
No. Name
Detail
No.
Detail name
13
10 Undervoltage
10.1 Voltage drop in the power
10.2 Bus voltage drop
12.1 RAM error 1
12.2 RAM error 2
12 Memory error 1 (RAM)
12.3 RAM error 3
Clock error
12.4 RAM error 4
12.5 RAM error 5
12.6 RAM error 6
13.1 Clock error 1
13.2 Clock error 2
13.3 Clock error 3
14.1 Control process error 1
14
15
Control process error
Memory error 2
(EEP-ROM)
14.2 Control process error 2
14.3 Control process error 3
14.4 Control process error 4
14.5 Control process error 5
14.6 Control process error 6
14.7 Control process error 7
14.8 Control process error 8
14.9 Control process error 9
14.A Control process error 10
14.C Control process error 12
14.D Control process error 13
15.1 EEP-ROM error at power on
15.2 EEP-ROM error during operation
15.4 Home position information read error
Stop method
(Note 2,
3)
EDB
SD
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
Alarm deactivation
Alarm reset
Power cycling
Alarm code
ACD2
(Bit 2)
ACD1
(Bit 1)
ACD0
(Bit 0)
0 1 0
0 0 0
0 0 0
0 0 0
0 0 0
DB
DB
DB
DB
DB
DB
16
Encoder initial communication error 1
16.7
16.A
Encoder initial communication -
Transmission data error 3
Encoder initial communication -
Process error 1
DB
DB
1 1 0
DB
DB
DB
DB
17.1 Board error 1
17.3 Board error 2 error
17.4 Board error 3
17.5 Board error 4
17.6 Board error 5
17.7 Board error 7
DB
DB
DB
DB
DB
DB
DB
0 0 0
8 - 2
8. TROUBLESHOOTING
No. Name
Detail
No.
Detail name
19
1A
1E
1F
Memory error 3
(Flash-ROM)
Servo motor combination error
Encoder initial communication error 2
Encoder initial communication error 3
19.1 Flash-ROM error 1
19.2 Flash-ROM error 2
19.4 Flash-ROM error 4
19.5 Flash-ROM error 5
1A.1 Servo motor combination error 1
1A.4 Servo motor combination error 2
Stop method
(Note 2,
3)
DB
DB
DB
DB
DB
DB
DB
Alarm deactivation
Alarm reset
Power cycling
Alarm code
ACD2
(Bit 2)
ACD1
(Bit 1)
ACD0
(Bit 0)
0 0 0
1 1 0
1 1 0
20
Encoder normal communication error 1
20.5
20.6
Encoder normal communication -
Transmission data error 1
Encoder normal communication -
Transmission data error 2
21
24
25
Encoder normal communication error 2
Main circuit error
Absolute position erased
21.1 Encoder data error 1
21.2 Encoder data update error
21.3 Encoder data waveform error
21.5 Encoder hardware error 1
21.6 Encoder hardware error 2
21.9 Encoder data error 2
24.1
Ground fault detected at hardware detection circuit
24.2
25.1
Ground fault detected at software detection function
Servo motor encoder - Absolute position erased
30.1 Regeneration heat error
30 Regenerative error 30.2 Regeneration signal error
31 Overspeed 31.1 Abnormal motor speed
DB 1 1 0
EDB
EDB
EDB
EDB
1 1 0
EDB
EDB
EDB
EDB
EDB
EDB
EDB
EDB
EDB
EDB
DB
DB
1 1 0
1 0 0
DB
DB
DB
DB
SD
(Note 1) (Note 1)
(Note 1) (Note 1)
(Note 1) (Note 1)
DB
0 0 1
1 0 1
32 Overcurrent
32.2
32.3
Overcurrent detected at software detection function (during operation)
Overcurrent detected at hardware detection circuit (during a stop)
33
34
35
Overvoltage
SSCNET receive error
1
Command frequency error
33.1 Main circuit voltage error
34.1 SSCNET receive data error
34.2
SSCNET connector connection error
34.3
SSCNET communication data error
34.4 Hardware error signal detection
35.1 Command frequency error
DB
DB
DB
EDB
SD
SD
SD
SD
SD
1 0 0
0 0 1
1 0 1
8 - 3
8. TROUBLESHOOTING
No. Name
Detail
No.
Detail name
Stop method
(Note 2,
3)
Alarm deactivation
Alarm reset
Power cycling
36
37
45
SSCNET receive error
2
Parameter error
Main circuit device overheat
36.1
Continuous communication data error
37.1 Parameter setting range error
37.2 Parameter combination error
37.3 Point table setting error
3A
39.2 Instruction argument external error error 39.3 Register No. error
39.4
Non-correspondence command error
Inrush current suppression circuit error
3A.1
Inrush current suppression circuit error
3E.1 Operation mode error
3E Operation mode error
3E.6 Operation mode switch error
45.1 Main circuit device overheat error 1
SD
DB
DB
DB
DB
DB
DB
DB
EDB
DB
DB
SD
(Note 1) (Note 1)
46 Servo motor overheat
46.1
Abnormal temperature of servo motor 1
Abnormal temperature of servo motor 3
SD
DB
(Note 1)
(Note 1)
(Note 1)
(Note 1)
Alarm code
ACD2
(Bit 2)
ACD1
(Bit 1)
ACD0
(Bit 0)
0 0 0
0 0 0
0 0 0
0 0 0
0 1 1
0 1 1
47 Cooling fan error 47.2 Cooling fan speed reduction error
50.3
50.4
Thermal overload error 4 during operation
Thermal overload error 1 during a stop
DB
SD
SD
SD
SD
SD
(Note 1) (Note 1)
(Note 1) (Note 1)
(Note 1) (Note 1)
(Note 1) (Note 1)
0 1 1
0 1 1
51.1
Thermal overload error 3 during operation
51.2
Thermal overload error 3 during a stop
52.1 Excess droop pulse 1
52.3 Excess droop pulse 2 excessive
52.4
Error excessive during 0 torque limit
52.5 Excess droop pulse 3
54 Oscillation Oscillation detection error
56
61
Forced stop error
Operation error
56.2 Over speed during forced stop
56.3
Estimated distance over during forced stop
61.1 Point table setting range error
SD
SD
DB
DB
SD
SD
SD
EDB
EDB
EDB
EDB
DB
SD
(Note 1) (Note 1)
(Note 1) (Note 1)
(Note 1) (Note 1)
(Note 1) (Note 1)
(Note 1) (Note 1)
0 1 1
1 0 1
0 1 1
1 1 0
1 0 1
69.2
69.3
Reverse rotation-side software limit detection - Command excess error
Forward rotation stroke end detection - Command excess error
SD
SD
1 0 1
86
Network communication error
86.1 Network communication error 1
86.4 Network communication error 4
86.5 Network communication error 5
SD
SD
SD
SD
0 0 0
8 - 4
8. TROUBLESHOOTING
No. Name
Detail
No.
Detail name
Stop method
(Note 2,
3)
Alarm deactivation
Alarm reset
Power cycling
Alarm code
ACD2
(Bit 2)
ACD1
(Bit 1)
ACD0
(Bit 0)
8A
USB communication time-out error/serial communication timeout error/Modbus RTU communication timeout error
8A.1
8A.2
USB communication time-out error/serial communication timeout error
Modbus RTU communication timeout error
SD
SD
0 0 0
SD
SD
8C.3
Network module communication error 3
SD communication error
SD 0 0 0
SD
SD
8E
888/
88888
USB communication error/serial communication error/Modbus RTU communication error
Watchdog
SD
8E.1
8E.2
8E.3
8E.4
8E.5
8E.6
8E.7
8E.8
USB communication receive error/serial communication receive error
USB communication checksum error/serial communication checksum error
USB communication character error/serial communication character error
USB communication command error/serial communication command error
USB communication data number error/serial communication data number error
Modbus RTU communication receive error
Modbus RTU communication message frame error
Modbus RTU communication CRC error
SD
SD
SD
SD
SD
SD
SD
SD
0 0 0
88._/
8888._
Watchdog DB
Note 1. After resolving the source of trouble, cool the equipment for approximately 30 minutes.
2. The following shows three stop methods of DB, EDB, and SD.
DB: Dynamic brake stop (For a servo amplifier without the dynamic brake, the servo motor coasts.)
EDB: Electronic dynamic brake stop (available with specified servo motors)
Refer to the following table for the specified servo motors. The stop method for other than the specified servo motors is DB.
For MR-JE_A, setting [Pr. PF09] to "(_ _ _ 3)" enables the electronic dynamic brake.
HG-KN HG-KN053/HG-KN13/HG-KN23/HG-KN43
HG-SN HG-SN52
SD: Forced stop deceleration
3. This is applicable when [Pr. PA04] is set to the initial value. The stop method of SD can be changed to DB using [Pr. PA04].
8 - 5
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