What It Means
- Low Pressure Switch Ignored (Low Ambient)
Lennox Split & Multi-Split
Lennox Error Code Green ON, Red Slow FLASH
Split & Multi-Split:
Causes & actions from Lennox
How it shows
- cmc1 ds2 ds1 led: Green ON, Red Slow FLASH (ds1: flashing (slow), ds2: on)
This manual entry does not list further causes or actions.
Applicable models & manual sources
- EL15XP1
Low Pressure Switch Ignored (Low Ambient)
- ML14XP1
Low Pressure Switch Ignored (Low Ambient)
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.
