Group Line In Individual Indoor Unit - Toshiba Super MMU-AP0091H Service Manual

Check code name
[L06] / [96]
(d07 / AI-NET)
Sub-code: No. of indoor units with priority
When indoor unit with priority is duplicated, this check code is displayed on the unit other than the setup indoor unit
and outdoor unit.
• As only one indoor unit with priority is valid, change the setup.
Check code name
[L07] / [99]
(d07 / AI-NET)
Is there group cabling?
NO
Check indoor P.C. board.
Failure Replace
Check code name
Duplicated indoor units with priority
(Displayed on the indoor unit other than
one with priority and on the outdoor unit)
Check code name

Group line in individual indoor unit

YES
Check setup item code
DN 12, 13, and 14 addresses.
There is individual indoor unit.
Two or more indoor units with priority
are duplicated.
The group line is connected in the
individual indoor unit.
YES
NO
183
Cause of operation
Cause of operation
DN12: Line address
DN13: Indoor address
DN14: Group address
Correct indoor group address.