Flow Chart For Auto-Addressing Of Indoor And Hr Unit - LG MULTIV III Service Manual

HR Unit PCB

3. Flow Chart for Auto-Addressing of Indoor and HR Unit

1) Flow chart for auto addressing
Power On
Waiting 3 minutes
Press RED Button for
10~15sec. (SW02B)
7-segment LED
Don't press RED Button
(SW02B)
The number of the indoor
units connected is
displayed at 7-SEG of the
outdoor unit main PCB
after 2~7 minutes
The number of HR units
connected is displayed
at 7-SEG of the outdoor
unit main PCB
7-segment LED
= 88
YES
OK
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Only for training and service purposes
Auto addressing start
= 88
• When auto addressing has completed, number of
indoor unit connected to outdoor unit will be
displayed on 7 segment LED for 30 seconds.
NO
Indoor address number is displayed on wired remote control or
indoor unit display window. It is not an error message, will
disappeared when on/off button is pressed on remote control
ex) Display of 01, 02, ..., 15 means connection of 15 indoor
units and auto addressing is completed normally.
Check the connections
of transmission line
- 28 -
LGE Internal Use Only