You've got a Lennox XP25 heat pump displaying error code 448. That means the suction temperature sensor has gone faulty. This sensor's responsible for tracking the outdoor unit's coil during defrost … [Read more...]
Lennox XP25 Heat Pump Error Code 447: Discharge Temperature Sensor Fault Detected
Did you know that nearly 75% of heat pump issues are caused by faulty temperature sensors? If your Lennox Heat Pump Model XP25 is displaying error code 447, you're likely dealing with a Discharge Temp … [Read more...]
Lennox XP25 Heat Pump Error Code 437: Heat Sink Temperature Sensor Fault
When your Lennox XP25 heat pump displays error code 437, it means the Heat Sink Temperature Sensor has failed, compromising your system's performance and potentially causing further damage if left … [Read more...]