If your Lennox heat pump model SL22KLV is displaying error code 120, you're likely dealing with a faulty thermistor that's preventing proper ignition. Prompt action is necessary to avoid further … [Read more...]
Lennox SL22KLV Heat Pump Error Code 118: Indoor Airflow Restriction Detected (Clogged Filter/Blocked Duct)
When your Lennox heat pump model SL22KLV displays error code 118, you're dealing with airflow issues, likely caused by a clogged filter or blocked duct. Reduced airflow, increased energy bill, and … [Read more...]
Lennox SL22KLV Heat Pump Error Code 119: Outdoor Airflow Restriction Detected (Blocked Coil/Fan)
When your Lennox heat pump model SL22KLV flashes code 119, you're likely dealing with outdoor airflow issues, probably due to a dirty or malfunctioning condenser coil or fan. This can cause your heat … [Read more...]
Lennox SL22KLV Heat Pump Error Code 117: Faulty Pressure Switch Detected
When your Lennox SL22KLV heat pump displays error code 117, it's a clear indication of a faulty pressure switch, a critical component responsible for monitoring system pressure levels and preventing … [Read more...]
Lennox SL22KLV Heat Pump Error Code 116: Indoor Coil Freeze Protection Activated
When your Lennox heat pump model SL22KLV displays error code 116, it means the system has gone into freeze protection mode, likely due to a frozen indoor coil caused by low refrigerant levels, … [Read more...]
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