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 440: Compressor Slowdown Due to High Heat Sink Temperature
When your Lennox XP25 heat pump displays error code 440, it means the compressor has slowed down due to a high heat sink temperature. This could be caused by refrigerant leaks, clogged air filters, … [Read more...]
Lennox XP25 Heat Pump Error Code 439: Compressor Slowdown Due to High Input Current
When your Lennox heat pump model XP25 displays error code 439, it means the compressor is slowing down due to high input current. This can lead to reduced cooling or heating capacity and potentially … [Read more...]
Lennox XP25 Heat Pump Error Code 438: Inverter PFC Input Overcurrent Detected
When your Lennox XP25 heat pump displays error code 438, it typically indicates an inverter PFC input overcurrent issue, often triggered by refrigerant leaks, undercharge problems, or faulty … [Read more...]
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