What It Means
- Low GWP Test
Lennox Ducted Heating
Lennox Ducted Heating Error Code E164
Ducted Heating: Gas furnace (indoor)
Causes & actions from Lennox
How it shows
- Integrated control 7-segment display: E164
Low GWP Test mode activates by manually engaging Low GWP test button. Normal operations resumes and code clears automatically after 1-minute
Other manual wording
EL280UHEK, EL280UHEK(X), EL297UHEK, ML296UHVK, ML297UH045XV36BK, ML297UH070XV36BK, ML297UH090XV36CK, ML297UH090XV60CK, ML297UH110XV60CK,…
Low GWP Test mode activates by manually engaging Low GWP test button. Normal operations resumes and codes clear automatically after 1-minute
Applicable models & manual sources
- EL180UHNE(K)
Low GWP Test
- EL195UHNEK
Low GWP Test
EL195UHNEK, EL195UHNEK-01, EL195UHNEK-02
- EL196UHEK
Low GWP Test
- ML180UHVK
Low GWP Test
- ML193DFEK
Low GWP Test
- ML196UHEK
Low GWP Test
- ML196UHEK
Low GWP Test
- EL280UHEK
Low GWP Test
EL280UHEK, EL280UHEK(X)
- EL297UHEK
Low GWP Test
- ML296UHVK
Low GWP Test
- ML297UH045XV36BK
Low GWP Test
ML297UH045XV36BK, ML297UH070XV36BK, ML297UH090XV36CK, ML297UH090XV60CK, ML297UH110XV60CK, ML297UH135XV60DK, ML297UHVK
Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always follow the service manual for your exact unit.
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