Toshiba RAV-SM561BT-E L20 error/98 error, L30 error/B6 error, b7 error Central controller

[L20 error]/[98 error]

Are cable connections to		NO
communication line X, Y normal?
	YES
		NO
Is central controller [98] displayed?
	YES
Is indoor remote controller
[L20] displayed?
	YES
Are not multiple		YES
same central control network
addresses connected?
	NO

Check central controller (including network adapter). Defect Replace.

[L30 error]/[B6 error]

Are outside devices of		NO
connector CN80 connected?
	YES

NO

Do outside devices normally operate?

YES

Check operation cause.

[b7 error] (Central controller)

NO

Is group operation performed?

	YES
		NO
Is check code displayed on sub unit
of main or sub remote controller?
	YES
Check corresponding
indoor/outdoor units.

Correct cable connection

Check indoor P.C. board (MCC-1402). Defect Replace

Correct central control network address.

Check indoor P.C. board (MCC-1402). Defect Replace

Check outside devices.

Defect Replace

Check indoor P.C. board (MCC-1402). Defect Replace

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