Outdoor Ambient Temperature Sensor Error

The sensor detects an abnormally low or high coil temperature.

Outdoor ambient temperature sensor error.

Inverter module igbt over strong current protection. Unit continues to operate. If not available use heat pump if outdoor. Outdoor ambient temperature sensor open circuit or short circuit.

Check sensor is installed correctly on control. 24 installation and maintenance service manual 14 18k. Cooling oil return cycle. Indoor coil temperature sensor is open or shorted control board sets temp to 40 f.

Compressor discharge high temperature protection. 84 outdoor ambient temperature fault. Out unit low side value temperature sensor t2b open circuit or short. Outdoor mid coil temperature sensor malfunction.

Open circuit or short circuit of outdoor ambient temperature sensor t4. Open or short circuit of indoor room or evaporator temperature sensor. Outdoor fan speed has been out of control. System high pressure protection.

Outdoor ambient temperature sensor malfunction. Open circuit or short circuit. Use elec heat if available for heating. Check unit placement if the outdoor unit is in a high temperature area wait until the ambient.

System low pressure protection. Fan speed out of control. 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 unit eeprom error.

The ntc sensor s resistance decreases as the outside air temperature increases. Temperature protection of. The mounting tabs can be used to surface or suspension mount the temperature sensors. Outdoor coil temperature sensor is open or shorted sets temp to 20 f.

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 series o 4 outside air temperature sensors are great for monitoring ambient air temperatures in outdoor applications. Overvoltage or too low voltage protection. Outdoor discharge air temperature sensor.

The sensor detects an abnormally low or high outdoor ambient temperature. Open or short circuit of outdoor ambient or condenser temperature sensor. The computer uses this input along with other in car temperature. Condenser coil temperature sensor t3 open circuit or short circuit.