Toshiba RAS-18YKH-E Service Manual page 27

[0C Indoor TA sensor error]
Is connection of CN04
TA sensor connector normal?
YES
Is characteristic of TA sensor
resistance value normal?
YES
[0d Indoor TC sensor error]
Is connection of CN05
TC sensor connector normal?
YES
Is characteristic of TC sensor
resistance value normal?
YES
[18 Outdoor TE sensor error]
Is connection of TE sensor
connector normal?
YES
Is characteristic of TE sensor
resistance value normal?
YES
NO
NO
• Refer to Characteristic diagram.
10k at 25˚C
Indoor P.C. board check
Failure
NO
NO
• Refer to Characteristic diagram.
10k at 25˚C
Indoor P.C. board check
Failure
NO
NO
• Refer to Characteristic diagram.
10k at 25˚C
Outdoor P.C. board check
Failure
– 27 –
Modify connection
of connector.
Replace
TA sensors.
Replace
P.C. board.
Modify connection
of connector.
Replace
TC sensors.
Replace
P.C. board.
Modify connection
of connector.
Replace
TE sensors.
Replace
P.C. board.