Leadshine Technology EM2RS Series - Drive Alarm Codes and Troubleshooting

EM2RS Modbus RS485 Stepper Drive User Manual
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0x08
Wrong CRC check code
Example F: CRC check code error
Master-> slave data:
Message
01
03
00 01
00 01
D5 C1
Description
Slave ID
Function code
Register address
Read Number of registers
CRC check code
slave-> Master data:
Message
01
83
08
40 F6
Description
Slave ID
FC+0x80
Error code
CRC
Example F: Function code error
Master-> slave data:
Message
01
02
00 01
00 01
E8 0A
Description
Slave ID
Function code
Register address
Read Number of registers
CRC check code
slave-> Master data:
Message
01
82
01
81 60
Description
Slave ID
Function code + 0x80
Error code
CRC check code
4.4.2 Drive Alarm Codes and Troubleshooting
Register Address
definition
operation
unit
description
0x2203
Current alarm
R
/
Below table
Error code and cause:
The green light is always on after the drive power on. When the error is occurred, the drive will stop working and red light will
be flashed indicates the current error code. Whatever error occurs, the user need to power off the drive and restart it after
removing the error. The user can read the corresponding error code through the PC software. The latest errors will be saved to
EEPROM which supports 10 historical errors in the list.
Error
code
Content
Red Light
Flash Times
Sequence wave of RED
LED
Trouble Shooting
0x01
Over current
1
1. Restart the drive;
2. If it still exists, check whether the motor is
short-circuited or not connected to the motor;
0x02
Over voltage
2
1. Restart the drive;
2. If it still exists, check the voltage of power
supply;
0x40
Current sampling
circuit error
3
1. Restart the drive;
2. If it still exists, the hardware failure