Toshiba MMY-MAP0804FT7(Z), Service Manual, Page: 213 / 333

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[L02]
Chec
k code
Cause
Chec
k code name
Outdoor units model disag
reed
error
1.
Not corresponds to Air to Air Heat Exchanger
type
.
2.
When outdoor unit is connected
Ye
s
Ye
s
[L03]
[L04]
No
No
Chec
k code
Cause
Chec
k code name
Chec
k code
Cause
Chec
k code name
1) Chec
k whether the connection on remote controllers (g
roup and/or individual) has been changed since the
g
roup configur
ation and address chec
king on the remote controllers finished.
2) If the g
roup configur
ation and address are nor
mal when po
w
er has been tur
ned on, the mode automatically
shifts to address setup mode
. F
or setting up addresses again, ref
er to "Address setup".
Duplicated indoor header units
There are tw
o or more indoor header units in a
g
roup dur
ing g
roup control.
Duplicated setup of outdoor line address
Outdoor line addresses are duplicated.
Is there duplicated
line address setup?
Are
comm
unication
wire connections of
[U1.U2], [U3.U4], and
[U5, U6]
nor
mal?
Correct the line address setup
.
Chec
k outdoor I/F P
.C
. board.
F
ailure
→
Replace
Correct the wire connection.
Re-set up the address
.
(Ref
er to "Address setup".)
[L06]
Sub-code:
ammount of indoor units with pr
ior
ity
[L07]
Ye
s
Ye
s
No
No
Chec
k code
Cause
Chec
k code name
Chec
k code
Cause
Chec
k code name
Duplicated indoor units with pr
ior
ity
(Displa
yed on the indoor units other than
ones with pr
ior
ity and on the outdoor unit)
T
w
o or more indoor units with pr
ior
ity are
duplicated. A g
roup line is connected to an individual indoor
unit.
When pr
ior
ity is giv
en to tw
o or more indoor units
, this chec
k code is displa
y
ed on indoor units other than the units
set as pr
ior ones and the outdoor unit.
• As only one indoor unit with pr
ior
ity is v
alid, change the setup
.
A g
roup line e
xists in an individual
indoor unit
Is there g
roup cab
ling?
There is individual indoor
unit.
Chec
k the addresses of setup
item code DN 12, 13, and 14.
Correct indoor g
roup address
.
Chec
k indoor P
.C
. board.
F
ailure
→
Replace
[L05]
Chec
k code
Cause
Chec
k code name
Duplicated indoor units with pr
ior
ity
(Displa
y
ed on indoor unit with
pr
ior
ity)
This chec
k code is displa
y
ed on the indoor unit set as a pr
ior one when tw
o or more pr
ior indoor units are detected.
• Pr
ior
ity setup with tw
o or more units is not a
v
ailab
le
. As only one indoor unit with pr
ior
ity is v
alid, change the
setup
.
T
w
o or more pr
ior indoor units e
xist.
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