SUPER DIGITAL

Revised 2: Jun., 2008
[E18 error]
Is inter-unit cable
of A and B normal?
YES
NO
Correct inter-unit cable
of remote controller.
Is there no disconnection
or contact error of connector
on harness from terminal block
of indoor unit?
NO
YES
Correct connection of connector.
Check circuit wiring.
NO
Is group control operation?
YES
Is power of all indoor units turned on?
YES
NO
Check power
connection status of indoor unit
(Connect again).
NO
Is Twin or Triple control?
YES
Is there no contact error
of indoor/outdoor inter-unit cable
(Signal line) of the main unit?
NO
YES
Correct indoor/outdoor inter-unit cable
(Serial signal line).
Check indoor P.C. board
(MCC-1570).
Defect → Replace
[E08, L03, L07, L08 error]
E08: Duplicated indoor unit No.
L03: There are 2 or more master units in a group control.
L07: There is 1 or more group address [Individual] in a group control.
L08: The indoor group address is unset. (13. ADDRESS SETUP)
If the above error is detected when power supply turned on, the mode enters automatically in the automatic
address set mode. (Check code is not output.)
However, if the above error is detected during the automatic address set mode, a check code may be
output.
[L09 error]
Is not yet capacity setting
of indoor unit set up?
NO
YES
Set capacity data of indoor unit.
(Setup item code (DN)=11)
Check indoor P.C. board (MCC-1570).
Defect → Replace
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