Toshiba Super MMY-MAP0801HT7 - Automatic Address Start Error; Communication Error in Indoor P.C. Board A’ssy; Duplicated Master Remote Controller

155
Is there any trouble on power line?
YES
YES
YES
NO
NO
NO
Are two remote controllers set up
as two master remote controllers?
Are U1, U2, U3, and U4
connectors connected?
Disconnect connector connection
of U1, U2, U3, and U4.
Set up address again.
(Refer to “Address setup procedure”.)
Correct setup of remote controllers as a master:
a other. (Remote controller address connector)
Turn on power of
outdoor unit again.
Check indoor control P.C. board.
Failure Replace
Check power voltage on line.
Eliminate noise, etc.
Check remote controller P.C. board.
Failure Replace
Check code
[E09] / [99]
(d07 / AI-NET)
Check code name
Duplicated master
remote controller
Cause of operation
Setup of master remote controller is dupli-
cated.
Check code
[E10] / [CF]
(d07 / AI-NET)
Check code name
Communication error
in indoor P.C. board A’ssy
Cause of operation
Indoor P.C. board error A’ssy failure
Check code
[E12] / [42]
(d07 / AI-NET)
Check code name
Automatic address start error
Cause of operation
1. When indoor automatic address started,
other refrigerant circuit system was setting
automatic address.
2. When outdoor automatic address started,
the indoor automatic address was being
set. (Sub-code: 02)
Sub-code: 01: Communication between indoor and outdoor 02: Communication between outdoor units