You're facing a low pressure switch open error on your Lennox XP25 heat pump, indicated by error code 452. This error typically occurs during winterizing or air conditioning modes and signifies a … [Read more...]
Lennox XP25 Heat Pump Error Code 451: High Pressure Switch Open Detected
You're dealing with a Lennox XP25 heat pump displaying error code 451, indicating a high pressure switch open issue. This problem requires immediate attention to prevent further damage. You'll need … [Read more...]
Lennox XP25 Heat Pump Error Code 450: Coil Temperature Sensor Fault Detected
You're experiencing a coil temp sensor fault on your Lennox XP25 heat pump, indicated by Error Code 450. This code signifies a problem with the coil temperature sensor that monitors the coil's … [Read more...]
Lennox XP25 Heat Pump Error Code 449: Outdoor Ambient Temperature Sensor Fault Detected
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...]
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