When your Lennox heat pump model XP25 displays error code 433, indicating a compressor overcurrent with phase current too high, it's vital to take prompt action to prevent further damage to the … [Read more...]
Lennox XP25 Heat Pump Error Code 429: Inverter DC Link Low Voltage Detected
You're experiencing an error code 429 on your Lennox XP25 heat pump, indicating an inverter DC link low voltage issue. This can be caused by low mains voltage, a faulty DC link capacitor, or an … [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...]
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