If your Lennox heat pump model SL22KLV displays error code 138, it's likely due to circuit board overheating. You can troubleshoot remotely checking for blockages or faulty parts. High ambient … [Read more...]
Lennox SL22KLV Heat Pump Error Code 137: Incorrect Voltage Supply Detected
If your SL22KLV Lennox heat pump displays error code 137, it's likely due to an incorrect voltage supply, which can prevent the furnace from functioning properly. This common issue can be resolved by … [Read more...]
Lennox SL22KLV Heat Pump Error Code 135: Low System Refrigerant Charge Detected
When your Lennox heat pump model SL22KLV flashes code 135, it means you've got a low system charge issue. This is likely due to incorrect installation, maintenance, or a refrigerant leak. You'll need … [Read more...]
Lennox SL22KLV Heat Pump Error Code 134: Thermostat Error Detected
If you're experiencing error code 134 on your Lennox heat pump model SL22KLV, it's likely indicating a malfunction with the low-pressure switch or high-pressure switch, which regulate pressure within … [Read more...]
Lennox SL22KLV Heat Pump Error Code 132: Low Outdoor Temperature Triggering Freeze Protection Mode
When your Lennox SL22KLV heat pump displays error code 132, it's a clear indication that the system has entered freeze protection mode due to outdoor temperatures dropping below 25°F (-4°C). This means … [Read more...]
