Automatic Addressing - LG MULTI V Service Manual

2. Automatic Addressing

The address of indoor units would be set by Automatic Addressing
- Wait for 3 minutes after supplying power.
(Master and Slave outdoor units, indoor units)
- Press RED button of the outdoor units for 5 seconds. (SW01C)
- A "88" is indicated on 7-segment LED of the outdoor unit PCB.
- For completing addressing, 2~7 minutes are required depending on numbers of connected indoor units
- Numbers of connected indoor units whose addressing is completed are indicated for 30 seconds on 7-segment
LED of the outdoor unit PCB
- After completing addressing, address of each indoor unit is indicated on the wired remote control display win-
dow. (CH01, CH02, CH03, ......, CH06 : Indicated as numbers of connected indoor units)
n Service PCB
7-Segment
SW01C(●:confirm)
SW02C(◀:backward)
SW03C(▶:forward)
CAUTION
• In replacement of the indoor unit PCB, always perform Automatic addressing setting
again (At that time, please check about using Independent power module to any
indoor unit.)
• If power supply is not applied to the indoor unit, operation error occur.
• Automatic Addressing is only possible on the master Unit.
• Automatic Addressing has to be performed after 3 minutes to improve communica-
tion.
- 61 -
Copyright © 2020 LG Electronics Inc.
All rights reserved. Only training and service purposes.
HR Unit PCB
SW01D(reset)
SW04C(x:cancel)
DIP-SWITCH