When your Lennox XP25 heat pump displays error code 427, indicating an Inverter DC Peak Fault, it's a warning sign that requires immediate attention from an expert to diagnose and repair, as … [Read more...]
Lennox XP25 Heat Pump Error Code 426: Excessive Inverter Alarms Detected
When your Lennox XP25 heat pump displays Error Code 426, it signals excessive inverter alarms, pointing to a potential issue with the inverter controlling the compressor and fan motor. You'll need a … [Read more...]
Lennox XP25 Heat Pump Error Code 425: Compressor Running at Minimum Speed Due to Low Ambient
You're experiencing error code 425 on your Lennox XP25 heat pump, which means the compressor's minimum speed is triggered by low ambient temperatures, typically below 40°F. You'll need to verify the … [Read more...]
Lennox XP25 Heat Pump Error Code 422: Compressor Top Cap Switch Overtemperature
You're experiencing an error code 422 on your Lennox XP25 heat pump, indicating a compressor top cap switch overtemperature issue. This can substantially impact your system's performance and … [Read more...]
Lennox XP25 Heat Pump Error Code 423: Inverter Circuit Problem Detected
You're facing an error code 423 on your Lennox Heat Pump Model XP25, indicating an inverter-detected circuit problem. It's vital to address this issue to prevent further damage. You'll need to … [Read more...]
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