Toshiba RAS-18UAX3 - 9-6. Troubleshooting for Indoor Unit

FILE NO. SVM-04032
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[0C Indoor TA sensor error]
[0d Indoor TC sensor error]
[18 outdoor TE sensor error]
Is CN03 (TA sensor connector)
connected properly?
YES
NO
YES
NO
Is TA sensor resistance value
(10 kΩ at 25°C) normal?
Indoor P.C. board is defective.
Replace TA sensor.
Replace P.C. board.
Connect CN03
properly.
Is TE sensor connector
connected properly?
Is TE sensor resistance value
(10 kΩ at 25°C) normal?
Is CN01 (TC sensor connector)
connected properly?
YES
NO
YES
NO
Is TC sensor resistance value
(10 kΩ at 25°C) normal?
Indoor P.C. board is defective.
Replace TC sensor.
Replace P.C. board.
Connect CN01
properly.
YES
NO
YES
NO
Indoor P.C. board is defective.
Replace TE sensor.
Replace P.C. board.
Connect connector
properly.