90
Check code name
[L08] / [99]*
(Current code / AI-NET)
Check code name
Indoor group / address unset
Cause of operation
Indoor address unset
Check code name
[L09] / [46]
(Current code / AI-NET)
Check code name
Indoor capacity unset
Cause of operation
Indoor capacity unset
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)
Turn on the power of indoor units.
Turn on the power of outdoor unit again.
Are powers of all the
indoor units turned on?
Disconnect connectors between
[U1, U2] and [U3, U4].
Clear addresses.
(Refer to “Address clear”.)
Re-execute address setup.
(Refer to “Address setup”.)
YES
NO
Set up capacity data of indoor unit.
(Setup item code (DN) = 11)
Check indoor P.C. board.
Defect
Replace
Are capacity setups
of indoor units unset?
YES
NO
FILE NO. SVM-05052
Summary of Contents for MMK-AP0072H
Page 125: ...TOSHIBA CARRIER CORPORATION ...
