Duplicated Indoor Header Units; Duplicated Setup Of Outdoor Line Address - Toshiba Super MMU-AP0091H Service Manual

Check code name
[L03] / [96]
(d07 / AI-NET)
1) Check the connection changing of the remote controller after the connection has been changed.
2) If the group configuration and address are normal when power has been turned on, the mode automatically shifts
to address setup mode. (Re-setup of address) → Refer to "Address setup".
Check code name
[L04] / [96]
(d07 / AI-NET)
Is there duplicated line address setup?
NO
Are communication cable connections of
[U1.U2], [U3.U4], and [U5, U6] normal?
YES
Check outdoor I/F P.C. board.
Failure Replace
Check code name
[L05] / [96]
(d07 / AI-NET)
This check code is displayed on the set indoor unit when setup of indoor unit with priority is duplicated.
• Priority setup with two or more units is not available. Choose one prior unit in one refrigerant circuit system.
Check code name

Duplicated indoor header units

Check code name

Duplicated setup of outdoor line address

YES
NO
Check code name
Duplicated indoor units with priority
(Displayed on indoor unit with priority)
There were two or more indoor header
units in some remote controller group
control.
Outdoor line addresses are duplicated.
1. Two or more prior indoor units exist.
182
Cause of operation
Cause of operation
Correct the line address setup.
Correct the cable connection.
Re-set up the address.
(Refer to "Address setup".)
Cause of operation