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...]
Lennox XP25 Heat Pump Error Code 443: Unit Code and Inverter Model Mismatch Detected
When your Lennox XP25 heat pump displays error code 443, it means there's a mismatch between the unit code and inverter model. This issue requires professional assistance to resolve, as it involves … [Read more...]
Lennox XP25 Heat Pump Error Code 442: Compressor Top Cap Switch Lockout Triggered
When your Lennox XP25 heat pump displays error code 442, it's indicating a compressor top cap switch strikes lockout, a critical system fault that requires prompt attention to prevent further damage … [Read more...]
Lennox XP25 Heat Pump Error Code 441: Compressor Slowdown Due to High Compressor Current
When your Lennox XP25 heat pump displays error code 441, you're facing a critical compressor slowdown due to high compressor current. This issue can lead to reduced system performance, increased energy … [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...]
