Toshiba RAV-SM560BT-E - Manual (Page 125)

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[99 error]
Correct inter-unit cable
of remote controller. Is inter-unit cable of
A, B and C normal?
Correct connection of connector.
Check circuit cables. Is there no disconnection or
contact error of connector?
Are not No.1 unit
duplicated?
Check indoor main P.C. board
(MCC-1370A).
Defect
Replace
Set the unit to No.1.
Is individual (1 : 1) operation?
Is unit set to No.1?
Does indoor unit operate?
Does LED (Green)
on indoor main P.C. board flash?
(D13)
Check remote controller P.C. board.
Defect
Replace
Avoid duplication of
unit No.1 setting.
YES
NO
NO
YES
YES
YES
NO
NO
YES
NO
NO
YES
NO
YES