No
Check and replace
indoor unit PCB
The operation mode
of indoor unit = The
operation mode of
outdoor unit
Change the operation mode of
indoor unit to the same operation
mode of outdoor unit
Yes
Fault diagnosis and Trouble shooting guide
Different
operation
mode
07
• 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.
All indoor units are not
operating in the same mode.
This indoor unit is in different
mode than other units.
Trouble shooting Flow
Title
Display
code
Cause of error
Meaning
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