Toshiba RAV-GM561UT-E Service Manual page 52

[E18 trouble]
Is inter-unit cable
of A and B normal?
Is the connector on the harness or the
harness from terminal block of indoor unit
connected correctly?
NO
Is group control operation?
Is power of all indoor units turned on?
NO
Is Twin control?
Is indoor/outdoor inter-unit cable
(Signal line) of the header indoor unit
connected correctly?
[E08, L03, L07, L08 trouble]
E08: Duplicated indoor unit No.
L03: There are 2 or more header 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. (In case DN code [14] is 0099)
If the above trouble 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 trouble is detected during the automatic address set mode, a check code may be
output.
[L09 trouble]
Has the capacity setting
of indoor unit been set up?
YES
NO
YES
NO
YES
YES
NO
YES
YES
NO
YES
NO
Correct connection of connector.
connection status of indoor unit
Correct indoor/outdoor inter-unit cable
Set capacity data of indoor unit.
Replace indoor P.C. board (MCC-1643).
– 52 –
Correct inter-unit cable
of remote controller.
Check circuit wiring.
Check power
(Connect again).
(Serial signal line).
Replace indoor P.C. board
(MCC-1643).
(Setup CODE No. (DN)=11)