York YUFE60BYSM-MS-1 - Troubleshooting by Error Code; Common Check Procedures; Temperature Sensor Check

Troubleshooting
 Page 91 
5. Troubleshooting by Error Code
5.1 Common Check Procedures
5.1.1 Temperature Sensor Check
Disconnect the temperature sensor from PCB, measure the resistance value with a tester.
Temperature Sensors.
Room temp.(T1) sensor,
Indoor coil temp.(T2) sensor,
Outdoor coil temp.(T3) sensor,
Outdoor ambient temp.(T4) sensor.
Measure the resistance value of each winding by using the multi-meter.