LG ATNH09GRLE2 Svc Manual page 128

6.7 Troubleshooting Outdoor Error
CH 05/53 (Indoor/Outdoor Device Communication Error) → Detection by indoor devices
The communication lines of the
indoor /outdoor devices are in-
stalled by wire-to-wire ethod.
: In case of additional connection,
connect the wires with soldering
as shown below.
NG
Wire tongue-termination fault.
Copyright ©2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
NG OK
Neutral
The cut section of the wire passes
the insulation tape and causes a
short with another wire.
Wire-to-Wire
Communication noise by oxidized
wire arrangement : Soldering is
required.
- 128 -
4. Trouble Shooting
Neutral
LGE Internal Use Only