You're dealing with a Lennox heat pump model SL22KLV, and error code 124 is flashing, indicating insufficient heating due to a stuck reversing valve. This valve changes the direction of refrigerant … [Read more...]
Lennox XP25 Heat Pump Error Code 456: Reversing Valve Fault Detected in Heat Mode
You're dealing with a Lennox Heat Pump Model XP25 displaying Error Code 456, indicating a reversing valve fault in heat mode. This issue can occur due to faulty solenoids or stuck valves. You'll need … [Read more...]
Lennox XP25 Heat Pump Error Code 457: Reversing Valve Fault Detected in Cool Mode
You're dealing with a Lennox Heat Pump Model XP25 displaying Error Code 457, indicating a reversing valve fault in cool mode. You'll need to troubleshoot the valve's operation, checking for stuckness, … [Read more...]
