Toshiba RAS-18YKH-E Service Manual page 28

[19 Outdoor TD sensor error]
Is connection of TD sensor
connector normal?
YES
Is characteristic of TD sensor
resistance value normal?
YES
[1E Discharge temp. error]
Is protective
control such as discharge
thermostat normal?
YES
Is charged amount
of refrigerant normal?
YES
Isn't it abnormal
overload?
NO
Is characteristic of
TD sensor resistance
value normal?
YES
NO
NO
• Refer to Characteristic diagram 4 and 5.
10k at 25˚C
Outdoor P.C. board check
Failure
NO
Are wiring/connector
connection normal?
NO
YES
NO
• 10k at 25˚C
Outdoor P.C. board check
Failure
– 28 –
Modify connection
of connector.
Replace
TL/TD sensors.
Replace
P.C. board.
NO
Modify wiring/connector
connection.
Check and modify charged
amount of refrigerant.
Make better/delete the cause.
Replace TD sensor.
Replace P.C. board.
1,45kg