You're dealing with a Lennox heat pump model XP25 that's displaying error code 458, indicating an outdoor control board failure. This critical issue requires prompt professional attention to resolve. … [Read more...]
Lennox XP25 Heat Pump Error Code 431: Inverter PFC (Power Factor Correction) Fault Detected
You're experiencing an Inverter PFC fault on your Lennox XP25 heat pump, indicated by error code 431. It's a low-pressure lockout condition related to the Power Factor Correction system. You'll need to … [Read more...]
Lennox XP25 Heat Pump Error Code 430: Compressor Startup Failure Detected
You're dealing with a compressor startup failure on your Lennox XP25 heat pump, indicated by error code 430. This error code requires immediate attention to troubleshoot and potentially repair or … [Read more...]
Lennox XP25 Heat Pump Error Code 428: Inverter High Main Input Current Detected
When your Lennox XP25 heat pump displays error code 428, it's alerting you to a critical issue with the compressor communication, specifically an inverter high main input current. This could be due to … [Read more...]
Lennox XP25 Heat Pump Error Code 427: Inverter DC Peak Fault Detected
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...]
