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Troubleshooting Outdoor Components
Out Tube Temperature Sensor & Outdoor Temperature Sensor
is sensor is a negative coecient thermistor that will decrease in resistance as the temperature increases. is
sensor will monitor the temperature of the refrigerant leaving the outdoor coil. e reading will be used by the
inverter board to adjust frequency calculations.
Error Code F4 will be generated if the sensor is open or shorted. Please refer to the troubleshooting section for
more detailed information.
is sensor is a negative coecient thermistor that will decrease in resistance as the temperature increases. is
sensor will monitor the temperature of the outdoor air. e reading will be used by the inverter board to adjust
frequency calculations.
Error Code F3 will be generated if the sensor is open or shorted. Please refer to the troubleshooting section for
more detailed information.
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