What Causes A Hard Lockout On A Trane Heat Pump. A failed expansion valve can cause the. Web defective flame sensors are one of the most common causes of lockouts.
What Causes A Soft Lockout On A Trane Heat Pump?
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. Web it occurs automatically when the outdoor air approaches freezing temperature. Most newer heat pumps will still be at a cop. Dealer remote access (dra) if you have any questions or need assistance, please contact trane home customer support. (steady red diagnostic led on control board) i cycled. The most common cause is when the outdoor temperature drops below the minimum set. Web upon checking the defrost control board i noticed the hp was in a low pressure switch lock out condition. A low airflow across the evaporator some parts of the system might be. Web outdoor unit is blocked. Web turn power off to unit for 1 minute.
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. If so, it should work ok. Web it occurs automatically when the outdoor air approaches freezing temperature. (steady red diagnostic led on control board) i cycled. Because a heat pump moves heat instead of generating it, when there is. Web a hard lockout on a heat pump is caused by a number of different things. If your system is not heating effectively or if. Web with electric backup heat you should not need to lock out backup heat. Most newer heat pumps will still be at a cop. 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.