[L03]
[L04]
Ye
s
Ye
s
No
No
Check code
Check code
1)
Check whether the connection on remote controllers (group and/or individual) has been changed since the
group configuration and address checking on the remote controllers finished.
2)
If the group configuration and address are normal when power has been turned on, the mode automatically
shifts to address setup mode. For setting up addresses again, refer to "Address setup".
Check code name
Duplicated indoor header units
Cause
There are two or more indoor header units in a group
during group control.
Check code name
Duplicated setup of outdoor line
address
Cause
Outdoor line addresses are duplicated.
Is there duplicated
line address setup?
Are
communication
wire connections of
[U1.U2], [U3.U4], and
[U5, U6] normal?
Correct the line address
setup.
Replace outdoor I/F P.C. board.
Correct the wire connection.
Re-set up the address.
(Refer to "Address setup".)
[L02]
Check code
Cause
When the indoor unit that does not correspond is
connected with the outdoor unit
Check code name
Indoor / outdoor model mismatch
[L06]
Sub-code:
amount of indoor units with priority
[L07]
Ye
s
Ye
s
No
No
Check code
Check code name
Check code
Duplicated indoor units with priority
(Displayed on the indoor units other than
ones with priority and on the outdoor unit)
Cause
T
wo or more indoor units with priority are duplicated.
Cause
A
group line is connected to an individual indoor unit.
When priority is given to two or more indoor units, this check code is displayed on indoor units other than the units
set as prior ones and the outdoor unit.
•
As only one indoor unit with priority is valid, change the setup.
Change the setup so that only one indoor unit has priority.
Check code name
A
group line exists in an individual
indoor unit
Is there group cabling?
There is individual indoor
unit.
Check the addresses of setup
item code DN 12, 13, and 14.
Correct indoor group address.
Replace indoor I/F P.C. board.
[L05]
Check code
Check code name
Duplicated indoor units with
priority
(Displayed on indoor unit with
priority)
This check code is displayed on the indoor unit set as a prior one when two or more prior indoor units are detected.
•
Priority setup with two or more units is not available.
As only one indoor unit with priority is valid, change the
setup.
Cause
T
wo or more prior indoor units exist.
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Summary of Contents for MMY-MUP0801HT7JP
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