91
Check code name
[L10] / [88]
(Current code / AI-NET)
Check code name
Outdoor capacity unset
Cause of operation
On the outdoor IF P.C. board for service, the
model selecting jumper has not been set up so
as to match with the model.
I/F P.C. board A’ssy service for the outdoor unit is common to this series. A setup for model selection different from
that for P.C. board with trouble is necessary. Set up a model based upon the P.C. board A’ssy exchange procedure.
Check code name
[L20] / [98]
(Current code / AI-NET)
Check code name
Duplicated central
control addresses
Cause of operation
Central control addresses are duplicated.
Check code name
[L28] / [46]
(Current code / AI-NET)
Check code name
Quantity over of
connected outdoor units
Cause of operation
1. Quantity over of connected outdoor units.
2. Connection error of communication line
between outdoor units
3. Outdoor I/F P.C. board error
Are not two or more
central control system identical
network addresses connected?
Check the network adaptor
on the indoor P.C. board.
Correct the network address
of the central control system.
YES
NO
Check I/F P.C. board.
Is the number of the connected
outdoor units 4 or less?
Is the communication line between
outdoor units correctly connected?
Max. 4 outdoor units are
connectable for one system.
Correct connection of
the communication line.
YES
YES
NO
NO
FILE NO. SVM-05052
Summary of Contents for MMK-AP0072H
Page 125: ...TOSHIBA CARRIER CORPORATION ...
