What It Means
- LSOM - Compressor open run circuit.
Lennox Ducted Heating
Lennox Ducted Heating Error Code E407
Ducted Heating:
Causes & actions from Lennox
How it shows
- Integrated control 7-segment display: E407
Required amount of current is not passing through Run current transformer. Clears the error after current is sensed in RUN sensor, or 1 normal compressor run cycle, or after power reset.
Other manual wording
SLP98UHV, SLP99UHV
This manual entry does not list further causes or actions.
Applicable models & manual sources
- SL280DFNV
LSOM - Compressor open run circuit.
- SL297UHNV
LSOM - Compressor open run circuit.
- SLP98UHV
LSOM − Compressor open run circuit.
- SLP99UHV
LSOM - Compressor open run circuit.
Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always follow the service manual for your exact unit.
What should you check next?
Continue in ACLogics with guided diagnosis for your equipment and symptoms.
