What It Means
- Low 24V - Control will restart if the error recovers.
Lennox Ducted Heating
Lennox Ducted Heating Error Code E115
Ducted Heating: Gas furnace (indoor)
Causes & actions from Lennox
How it shows
- Integrated control 7-segment display: E115
24-Volt Power Low (Range is 18 to 30 volts). Check and correct voltage. Check for additional power-robbing equipment connected to system. May require installation of larger VA transformer to be installed in furnace / air handler. Clears after fault recovered.
Other manual wording
SLP98UHV, SLP99UHV
24 voltage low (Range is 18 to 30 volts) Check voltage.
Applicable models & manual sources
- EL195UHNEK
Low 24V - Control will restart if the error recovers.
EL195UHNEK, EL195UHNEK-01, EL195UHNEK-02
- EL196UHEK
Low 24V - Control will restart if the error recovers.
- EL280UHE(X)
Low 24V - Control will restart if the error recovers.
- EL280UHEK
Low 24V - Control will restart if the error recovers.
EL280UHEK, EL280UHEK(X)
- EL296UHE
Low 24V - Control will restart if the error recovers.
- EL297UHEK
Low 24V - Control will restart if the error recovers.
- ML180UHVK
Low 24V - Control will restart if the error recovers.
- ML193DFEK
Low 24V - Control will restart if the error recovers.
- ML196UHEK
Low 24V - Control will restart if the error recovers.
- ML196UHEK
Low 24V - Control will restart if the error recovers.
- SL280DFNV
Low 24V - Control will restart if the error recovers.
- SL280UHV
Low 24V - Control will restart if the error recovers.
- SL297UHNV
Low 24V - Control will restart if the error recovers.
- SLP98UHV
Low 24V − Control will restart if the error recovers.
- SLP99UHV
Low 24V - Control will restart if the error recovers.
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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