– 38 –
Is inter-unit wire of A and B normal?
Is there no disconnection
or contact error of connector on harness
from terminal block of indoor unit?
Is there no contact error
between indoor/outdoor inter-unit
wires (signal lines)?
Is group control operation?
Is power of all indoor units turned on?
Is Twin connection control?
Correct inter-unit wire of remote controller.
Correct connection of connector.
Check circuit wires.
Check power connection of indoor unit.
(Turn on power again.)
Correct indoor/outdoor inter-unit wires
(serial signal lines).
Check indoor P.C. board.
Defect
®
Replace
Set capacity data of indoor unit.
(Setup item code (DN) = 11)
Check indoor P.C. board.
Defect
®
Replace
Check indoor control P.C. board.
Defect
®
Replace
NO
NO
YES
YES
YES
NO
NO
YES
NO
NO
YES
YES
Is capacity of indoor unit unset?
YES
NO
[E10 error]/[CF error]
[E18 error]/[97 error]
*
[99 error]
*
: When central controller [99] is displayed, there are other causes of trouble.
[E08, L03, L07, L08 error]/
*
[96 error] [99 error]
*
: When central controller [99] is displayed, there are other causes of trouble.
E08 : Duplicated indoor unit numbers
L03 : Two or more header 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]/[46 error]