Troubleshooting - LG SV-iC5 User Manual

5.2 Exception Code
Exception Code
0x01
0x02
0x03
0x06
User define
5.3 Baud Rate
1200, 2400, 4800, 9600, 19200bps settable (default: 9600bps)
6.

Troubleshooting

6.1 Communication is not established
Checking point
Is input power applied to converter?
Is the wiring of converter and PC correct?
Is Option card connection to the inverter
incorrect?
Is Master not polling?
Is baud rage set correctly?
Is Data format of User program correct?
Is the wiring of converter and option board
correct?
Note 2) User program is User-made S/W for PC.
Parameter Code (Hex)
< Common area > Area accessible regardless of inverter models (Note 3)
◆ Common area
Address Parameter
0x0000 Inverter model
0x0001 Inverter capacity
0x0002 Inverter input power
0x0003 S/W Version
1. Write Disable (Address 0x0004 value is 0)
0x14
2. Read Only or Not Program during Running.
ILLEGAL FUNCTION
ILLEGAL DATA ADDRESS
ILLEGAL DATA VALUE
SLAVE DEVICE BUSY
Apply power to the converter.
Refer to converter manual.
Refer to "4. Installation".
Verify that the Master is polling the inverter.
Refer to "4. Installation".
Revise User program (Note 2).
Refer to "4. Installation".
Scale Unit R/W
R
R
R
R
7
MODBUS-RTU user manual
Name
Diagnosis
Description
0 : SV-iS3
1 : SV-iG
2 : SV-iV
3 : SV-iH
4 : SV-iS5
0: 0.75kW, 1: 1.5kW, 2: 2.2kW
-1: 0.4kW (indicated as 65535)
0 : 220V
1 : 440V
(Ex) 0x0100 : Version 1.00
0x0101 : Version 1.01
5 :SV-iV5
6 : -
7 : SV-iG5
8 : SV-iC5
9 : SV-iP5