Toshiba RAV-SM456BT-TR, RAV-SM406BT-TR E18 error, E08, L03, L07, L08 error, L09 error

[E18 error]

Is inter-unit cable		NO
of A and B normal?
	YES

Is there no disconnection

or contact error of connector YES on harness from terminal block

of indoor unit?

NO

NO

Is group control operation?

YES

NO

Is power of all indoor units turned on?

YES

NO

Is connection twin-triple connection?

	YES
Is there no contact error		YES
of indoor/outdoor inter-unit wire
	NO

[E08, L03, L07, L08 error]

Correct inter-unit cable

of remote controller.

Correct connection of connector.

Check circuit wiring.

Check power

connection status of indoor unit

(Connect again).

Correct indoor/outdoor inter-unit wire

(Serial signal line).

Check indoor P.C. board

(MCC-1631).

Defect → Replace

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. (99)

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		YES
of indoor unit set up?
	NO

Set capacity data of indoor unit.

(Setup CODE No. (DN)=11)

Check indoor P.C. board (MCC-1631).

Defect → Replace

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