How To Diagnose Faulty Parts - Toshiba RAS-30NKP2B-1 Service Manual

9-5. How To Diagnose Faulty Parts

[09 Other cycle error]
NO
Is connector
connected properly?
Connect
connector
properly.
NO
Is condenser normal?
Replace
condenser.
NO
Is indoor fan
motor normal?
Replace
fan motor.
[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
NO
Does indoor
fan operate?
Are filters clogged?
YES
Is TC sensor
resistance value
(10 kΩ at 25°C) normal?
YES
Is charged amount
of refrigerant normal?
YES
Is outside air
low load?
Indoor P.C. board
is defective.
NO
NO
Indoor P.C. board is defective.
– 41 –
FILE NO. SVM-06017
YES
YES
NO
NO
YES
NO
Anti-freezing operation
YES
YES
Anti-freezing operation
NO
Clean filters.
Replace
TC sensor.
Charge
refrigerant.
Replacd
P.C. board.
Connect CN04 properly.
Replace TA sensor.
Replace P.C. board.