Toshiba RAS-24UKHP-ES-1 Service Manual page 52

[0C Indoor TA sensor error]
Is CN04 (TA sensor connector)
connected properly?
YES
Is TA sensor resistance value
(10 kΩ at 25°C) normal?
YES
[0d Indoor TC sensor error]
Is CN05 (TC sensor connector)
connected properly?
YES
Is TC sensor resistance value
(10 kΩ at 25°C) normal?
YES
[18 outdoor TE sensor error] (Heat pump model)
Is TE sensor connector
connected properly?
YES
Is TE sensor resistance value
(10 kΩ at 25°C) normal?
YES
NO
NO
Indoor P.C. board is defective.
NO
NO
Indoor P.C. board is defective.
NO
NO
Indoor P.C. board is defective.
– 50 –
FILE NO. SVM-03009
Connect CN04 properly.
Replace TA sensor.
Replace P.C. board.
Connect CN05 properly.
Replace TC sensor.
Replace P.C. board.
Connect connector
properly.
Replace TE sensor.
Replace P.C. board.