Toshiba RAV-SM560AT-E Service Manual page 126

[99 error]
Is there no disconnection or
contact error of connector?
YES
Is individual (1 : 1) operation?
Are not No.1 unit
duplicated?
YES
Does indoor unit operate?
Avoid duplication of
unit No.1 setting.
Is inter-unit cable of
A, B and C normal?
YES
NO
NO
Is unit set to No.1?
YES
NO
YES
on indoor main P.C. board flash?
Check remote controller P.C. board.
Defect Replace
NO
YES
NO
NO
Does LED (Green)
(D13)
NO
– 125 –
Correct inter-unit cable
of remote controller.
Correct connection of connector.
Check circuit cables.
Set the unit to No.1.
YES
Check indoor main P.C. board
(MCC-1370A).
Defect Replace