Outdoor Ambient Temperature Sensor Error

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.

Outdoor ambient temperature sensor error.

Temperature protection of. Inverter module igbt over strong current protection. Compressor discharge high temperature protection. Open circuit or short circuit.

Use elec heat if available for heating. Outdoor mid coil temperature sensor malfunction. Cooling oil return cycle. The computer uses this input along with other in car temperature.

The ntc sensor s resistance decreases as the outside air temperature increases. Outdoor unit eeprom error. Check unit placement if the outdoor unit is in a high temperature area wait until the ambient. Outdoor ambient temperature sensor malfunction.

The mounting tabs can be used to surface or suspension mount the temperature sensors. Out unit low side value temperature sensor t2b open circuit or short. The temperature sensors are mounted in a nema 4x enclosure with integral mounting tabs. Indoor coil temperature sensor is open or shorted control board sets temp to 40 f.

Overvoltage or too low voltage protection. Open or short circuit of outdoor ambient or condenser temperature sensor. Condenser coil temperature sensor t3 open circuit or short circuit. The series o 4 outside air temperature sensors are great for monitoring ambient air temperatures in outdoor applications.

Open circuit or short circuit of compressor discharge temperature sensor t5. System high pressure protection. The sensor detects an abnormally low or high outdoor ambient temperature. 84 outdoor ambient temperature fault.

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. Fan speed out of control. If not available use heat pump if outdoor. Outdoor discharge air temperature sensor.

Outdoor coil temperature sensor is open or shorted sets temp to 20 f. 24 installation and maintenance service manual 14 18k. Unit continues to operate. Outdoor fan speed has been out of control.

Open or short circuit of indoor room or evaporator temperature sensor. System low pressure protection. F1 ol 2 time tl on outdoor ambient temperature sensor t4 open circuit or short f2 ol 3 time tl on circuit. Outdoor ambient temperature sensor open circuit or short circuit.