Uuc136Wc* / Uuc148Wc; T3 Condenser Temperature Sensor; T5 Discharge Temperature Sensor - GE UUC112WC Series Service Manual

Troubleshooting

UUC136WC* / UUC148WC*

T3 Condenser Temperature Sensor

Condenser temperature sensor abnormal
Check the connection between
sensor and PCB
Check if the sensor is open or closed?
Closed
Replace PCB

T5 Discharge Temperature Sensor

Discharge temperature sensor abnormal
Check the connection between
sensor and PCB
Check if the sensor is open or closed?
Closed
Replace PCB
10
Start
Open
Replace the sensor
Start
Open
Replace the sensor
CONNECT SERIES SERVICE MANUAL
CN16 is the T3 outdoor unit heat exchanger sensor
connection. For the 36/48K models, this is connected
to a fixed resistor - the resistor is 5KΩ.
CN9 is the T5 compressor discharge temperature sensor
connection. The resistance of T5 at 77°F is 50KΩ.
Temp (F°/C°) KΩ
77/25 50
95/35 33