What Causes A Hard Lockout On A Trane Heat Pump. A low airflow across the evaporator some parts of the system might be. Web it occurs automatically when the outdoor air approaches freezing temperature.
Trane Heat Pump Problem YouTube
The most common cause is when the outdoor temperature drops below the minimum set. Most likely a low pressure lockout. Because a heat pump moves heat instead of generating it, when there is. Web most trane/ american standard units only go to a lock out when it hits a low pressure switch high pressure switch doesn't tie to the board in most cases. Make sure the compressor and outdoor fan motor restart 2. Then back on, and see if fault clears. A low airflow across the evaporator some parts of the system might be. When your furnace begins to start, the sensor checks for the presence of fire. Your heat pump system needs unrestricted air flow through the outdoor coil to work efficiently and effectively. If your system is not heating effectively or if.
Can't remember off the top of my head what 5 flashes is. Make sure the compressor and outdoor fan motor restart 2. Because a heat pump moves heat instead of generating it, when there is. The most common cause is when the outdoor temperature drops below the minimum set. If so, it should work ok. Your heat pump system needs unrestricted air flow through the outdoor coil to work efficiently and effectively. Web turn power off to unit for 1 minute. Web defective flame sensors are one of the most common causes of lockouts. Most likely a low pressure lockout. Web the compression ratio is low at that temp, and doesn't stress the compressor as much as running it at 95° outdoor temp. Web upon checking the defrost control board i noticed the hp was in a low pressure switch lock out condition.