LG Multi V CRUN Series Service Manual page 225

Fault diagnosis and Trouble shooting guide
Display
Title
code
All indoor units are not
Different
operating in the same mode.
07
operation
This indoor unit is in different
mode
mode than other units.
Trouble shooting Flow
The operation mode
of indoor unit = The
Check and replace
Meaning
operation mode of
outdoor unit
Yes
indoor unit PCB
Cause of error
• Example: When one or more indoor units are
operated in cooling mode, if an indoor unit which is
off state is to operate heating mode, press
operation key in the remote controller then this
error occurs.
Change the operation mode of
No
indoor unit to the same operation
mode of outdoor unit
Self-diagnosis function
Service Manual 225