What Causes A Hard Lockout On A Trane Heat Pump. A low airflow across the evaporator some parts of the system might be. Most likely a low pressure lockout.
Trane heat pump troubleshooting
Web upon checking the defrost control board i noticed the hp was in a low pressure switch lock out condition. Web the compression ratio is low at that temp, and doesn't stress the compressor as much as running it at 95° outdoor temp. Can't remember off the top of my head what 5 flashes is. Web packaged heat pump troubleshooting for your packaged system will vary based on its heating and cooling configuration. Web defective flame sensors are one of the most common causes of lockouts. Most likely a low pressure lockout. Web turn power off to unit for 1 minute. Dealer remote access (dra) if you have any questions or need assistance, please contact trane home customer support. If not, look for a manual reset on the high pressure switch in the unit. (steady red diagnostic led on control board) i cycled.
Web upon checking the defrost control board i noticed the hp was in a low pressure switch lock out condition. Web a hard lockout on a heat pump is caused by a number of different things. 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. 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. If so, it should work ok. Web outdoor unit is blocked. A low airflow across the evaporator some parts of the system might be. (steady red diagnostic led on control board) i cycled. Dealer remote access (dra) if you have any questions or need assistance, please contact trane home customer support.