Outdoor Ambient Temperature Sensor Error

Outdoor unit eeprom error.

Outdoor ambient temperature sensor error.

The sensor detects an abnormally low or high coil temperature. Outdoor ambient temperature sensor malfunction. Outdoor discharge air temperature sensor. The ambient atc or outside air temperature sensor is an ntc negative temperature coefficient sensor that informs the semiautomatic automatic temperature control system of outside air temperature.

If not available use heat pump if outdoor. Compressor discharge high temperature protection. System low pressure protection. Open circuit or short circuit.

The computer uses this input along with other in car temperature. Cooling oil return cycle. Indoor coil temperature sensor is open or shorted control board sets temp to 40 f. F1 ol 2 time tl on outdoor ambient temperature sensor t4 open circuit or short f2 ol 3 time tl on circuit.

Outdoor mid coil temperature sensor malfunction. Check unit placement if the outdoor unit is in a high temperature area wait until the ambient. 84 outdoor ambient temperature fault. Open or short circuit of indoor room or evaporator temperature sensor.

24 installation and maintenance service manual 14 18k. Check sensor is installed correctly on control. Open circuit or short circuit of outdoor ambient temperature sensor t4. Outdoor coil temperature sensor is open or shorted sets temp to 20 f.

The sensor detects an abnormally low or high outdoor ambient temperature. Fan speed out of control. Temperature protection of. Out unit low side value temperature sensor t2b open circuit or short.

System high pressure protection. Overvoltage or too low voltage protection. Outdoor fan speed has been out of control. Outdoor ambient temperature sensor open circuit or short circuit.

Condenser coil temperature sensor t3 open circuit or short circuit. Inverter module igbt over strong current protection. Open or short circuit of outdoor ambient or condenser temperature sensor. Unit continues to operate.

The ntc sensor s resistance decreases as the outside air temperature increases. 43 communication failure with unit a 44 communication failure with unit b 45 communication failure with unit c 46 communication failure with unit d 47 unit a freeze protection 48 unit b freeze protection. The temperature sensors are mounted in a nema 4x enclosure with integral mounting tabs. The mounting tabs can be used to surface or suspension mount the temperature sensors.