LG MULTI V IV ARNU07GTU 2 Series - Page 134

Troubleshooting Guide
- 134 -
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1. Failure Receiving Signal Between
Main and Sub Micom
Error No. Error Type Error Point Main Reasons
Failure Receiving Signal
Between Main and Sub
Micom
Communication Error
Between Main and Sub
Micom of External PCB
182*
Master 1821
Slave1 1822
Slave2 1823
Slave3 1824
n Error diagnosis and countermeasure flow chart
Press the
Rest Button
’
*
Reset Button
Communication LED
Between Main and Sub Micom
No
No
Replay
On-boarding
*
Replace External PCB
No
Communication Between
Main-Sub Micom
LED (Yellow) Blinking