As you troubleshoot your Lennox XP25 heat pump, you've stumbled upon error code 449, indicating an outdoor ambient temperature sensor fault. This issue is triggered by incorrect outdoor temperature … [Read more...]
Lennox XP25 Heat Pump Error Code 448: Suction Temperature Sensor Fault Detected
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 446: Low Suction Pressure Fault Detected
As you gaze at the XP25's display, the error code 446 staring back at you, like a warning sign on a deserted highway. This code signals low suction pressure, a fault that can cripple your system's … [Read more...]
Lennox XP25 Heat Pump Error Code 445: Low Compressor Discharge Temperature Detected
You've noticed your Lennox heat pump, model XP25, is displaying error code 445 - a low discharge temperature issue that can't be ignored. This error affects the system's overall efficiency and … [Read more...]
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