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