Outdoor Ambient Temperature Sensor Error

Fan speed out of control.

Outdoor ambient temperature sensor error.

The sensor detects an abnormally low or high coil temperature. Indoor coil temperature sensor is open or shorted control board sets temp to 40 f. 24 installation and maintenance service manual 14 18k. Use elec heat if available for heating.

Open or short circuit of indoor room or evaporator temperature sensor. If not available use heat pump if outdoor. Inverter module igbt over strong current protection. Overvoltage or too low voltage protection.

The computer uses this input along with other in car temperature. Outdoor unit eeprom 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 malfunction.

Outdoor ambient temperature sensor open circuit or short circuit. Outdoor discharge air temperature sensor. Check unit placement if the outdoor unit is in a high temperature area wait until the ambient. Open or short circuit of outdoor ambient or condenser temperature sensor.

Compressor discharge high temperature protection. Outdoor fan speed has been out of control. The series o 4 outside air temperature sensors are great for monitoring ambient air temperatures in outdoor applications. System low pressure protection.

Open circuit or short circuit of compressor discharge temperature sensor t5. 84 outdoor ambient temperature fault. Temperature protection of. Outdoor coil temperature sensor is open or shorted sets temp to 20 f.

The ntc sensor s resistance decreases as the outside air temperature increases. Open circuit or short circuit of outdoor ambient temperature sensor t4. 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. Check sensor is installed correctly on control.

Condenser coil temperature sensor t3 open circuit or short circuit. System high pressure protection. Out unit low side value temperature sensor t2b open circuit or short. Cooling oil return cycle.

The mounting tabs can be used to surface or suspension mount the temperature sensors. Open circuit or short circuit. Unit continues to operate. The temperature sensors are mounted in a nema 4x enclosure with integral mounting tabs.