SMC Networks LECSA Series - 8.1 Alarms and Warning List

- 91 -
8. Troubleshooting
8.1 Alarms and Warning List
When a fault occurs during operation, the corresponding alarm or warning is displayed. If an alarm or warning occurrs,
refer to“LECSA Operation Manual”,section 8.2 or“LECSA Operation Manual”,section 8.3 and take the appropriate action.
When an alarm occurs, ALM turns off.
After removing the cause of the alarm, the alarm can be deactivated in any of the methods marked in the alarm
deactivation column. The warning is automatically canceled after removing the cause of occurrence.
No.
LED
display
Name
Alarm deactivation
Power
OFF ON
Press "SET" on
current alarm
screen.
Alarm
reset
(RES)
Alarms
A.10
Undervoltage
A.12
Memory error 1 (RAM)
A.13
Clock error
A.15
Memory error 2 (EEP-ROM)
A.16
Encoder initial communication error1
A.17
Board error
A.19
Memory error 3 (Flash-ROM)
A.1A
Motor combination error
A.1C
Software combination error
A.1E
Encoder initial communication error 2
A.1F
Encoder initial communication error 3
A.20
Encoder normal communication error 1
A.21
Encoder normal communication error 2
A.24
Main circuit error
A.30
Regenerative error
(Note 1)
(Note 1)
(Note 1)
A.31
Overspeed
A.32
Overcurrent
A.33
Overvoltage
A.35
Command frequency error
A.37
Parameter error
A.45
Main circuit device overheat
(Note 1)
(Note 1)
(Note 1)
A.46
Servo motor overheat
(Note 1)
(Note 1)
(Note 1)
A.50
Overload 1
(Note 1)
(Note 1)
(Note 1)
A.51
Overload 2
(Note 1)
(Note 1)
(Note 1)
A.52
Error excessive
A.8E
USB communication error
888
Watchdog
POINT
As soon as an alarm occurs, turn off servo-on (SON) and the main circuit power
supply.