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