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Is inter-unit cable of A and B normal?
Is there no disconnection
or contact error of connector on harness
from terminal block of indoor unit?
Is group control operation?
Is power of all indoor units turned on?
Correct inter-unit cable of remote controller.
Correct connection of connector.
Check circuit cables.
Check power connection of indoor unit.
(Turn on power again.)
Check indoor P.C. board (MCC-1402).
Defect Replace
Set capacity data of indoor unit.
(Setup item code (DN) = 11)
Check indoor P.C. board (MCC-1402).
Defect Replace
Check indoor control P.C. board (MCC-1402).
Defect Replace
NO
NO
YES
YES
YES
NO
NO
Is capacity of indoor unit unset?
YES
NO
[E10 error]
[E18 error]
[E08, L03, L07, L08 error]
E08 : Duplicated indoor unit numbers
L03 : Two or more master units in a group control
L07 : One or more group addresses of [Individual] in a group control
L08 : Unset indoor group address (99)
If the above is detected when power has been turned on, the mode automatically enters in automatic ad-
dress setup mode. (Check code is not displayed.)
However, if the above is detected during automatic address setup mode, the check code may be displayed.
[L09 error]