Toshiba MMK-AP0072H Service Manual page 90

Check code name
[L08] / [99]*
(Current code / AI-NET)
Are powers of all the
indoor units turned on?
YES
Disconnect connectors between
[U1, U2] and [U3, U4].
Clear addresses.
(Refer to "Address clear".)
Re-execute address setup.
(Refer to "Address setup".)
Note) This code is displayed when the power is turned on at the first time after installation.
(Because the address is not yet set up)
Check code name
[L09] / [46]
(Current code / AI-NET)
Are capacity setups
of indoor units unset?
NO
Check code name
Indoor group / address unset
NO
Check code name
Indoor capacity unset
YES
Indoor address unset
Turn on the power of indoor units.
Turn on the power of outdoor unit again.
Indoor capacity unset
Set up capacity data of indoor unit.
90
FILE NO. SVM-05052
Cause of operation
Cause of operation
(Setup item code (DN) = 11)
Check indoor P.C. board.
Defect Replace