Toshiba MMY-MUP0961HT6P-UL Service Manual page 298

Appendix 3 Model settings for case that data cannot be recovered
The model settings are unset on the service P.C. board, and in an unset state, the check code [L10] will be
displayed and operation will not be available.
The model settings will be recovered with the data recovery, but if data recovery cannot be performed, set
the Outdoor Unit Function Code (O.DN) [003] manually according to the model name of the outdoor unit.
Normal operations may not be available if the settings are different from those before replacing.
Model name
Undefined
MMY-MUP0721HT6P-UL
MMY-MUP0961HT6P-UL
MMY-MUP1201HT6P-UL
MMY-MUP1441HT6P-UL
MMY-MUP1681HT6P-UL
MMY-MUP1921HT6P-UL
MMY-MUP072H1HT6PUL
MMY-MUP096H1HT6PUL
MMY-MUP120H1HT6PUL
For the communication method setting (TCC-LINK / TU2C-LINK), all outdoor units and all indoor units in the
same system must have the same settings. The factory setting of the service P.C. board is TCC-LINK
communication. Check the DN code of the connected outdoor unit or indoor unit, and if it is set to TU2C-
LINK, set the service P.C. board to TU2C-LINK as well.
Outdoor unit
(O.DN) [082]
TCC-LINK
TU2C-LINK
O.DN[003]
0000
0006
0007
0008
0009
0010
0011
0015
0016
0017
Indoor unit
(I.DN) [FC]
0000 0000
0003 0003
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