Outdoor Ambient Temperature Sensor Error

24 installation and maintenance service manual 14 18k.

Outdoor ambient temperature sensor error.

Overvoltage or too low voltage protection. Outdoor unit eeprom error. Indoor coil temperature sensor is open or shorted control board sets temp to 40 f. Condenser coil temperature sensor t3 open circuit or short circuit.

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. 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. Fan speed out of control.

Open circuit or short circuit. Check unit placement if the outdoor unit is in a high temperature area wait until the ambient. Outdoor ambient temperature sensor malfunction. If not available use heat pump if outdoor.

Cooling oil return cycle. The temperature sensors are mounted in a nema 4x enclosure with integral mounting tabs. System low pressure protection. 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 computer uses this input along with other in car temperature. Compressor discharge high temperature protection. Out unit low side value temperature sensor t2b open circuit or short.

Unit continues to operate. Open or short circuit of indoor room or evaporator temperature sensor. The sensor detects an abnormally low or high outdoor ambient temperature. Check sensor is installed correctly on control.

Outdoor mid coil temperature sensor malfunction. Use elec heat if available for heating. Temperature protection of. The ntc sensor s resistance decreases as the outside air temperature increases.

Open circuit or short circuit of outdoor ambient temperature sensor t4. The mounting tabs can be used to surface or suspension mount the temperature sensors. System high pressure protection. The series o 4 outside air temperature sensors are great for monitoring ambient air temperatures in outdoor applications.

84 outdoor ambient temperature fault. Outdoor discharge air temperature sensor. Open or short circuit of outdoor ambient or condenser temperature sensor. The sensor detects an abnormally low or high coil temperature.