What It Means
- Primary or Secondary Limit Open or Watchguard Mode - Limit Switch Open longer than 3 minutes
Lennox Ducted Heating
Lennox Ducted Heating Error Code 7
Ducted Heating:
Causes & actions from Lennox
How it shows
- Integrated control red LED: 7
Primary or Secondary Limit Open or Watchguard Mode − Limit Switch Open longer than 3 minutes
Other manual wording
EL195UHNE, EL196UHE, ML180UHE, ML180UHV, ML193UHE, ML196UHE
This manual entry does not list further causes or actions.
Applicable models & manual sources
- EL195UH
Primary or Secondary Limit Open or Watchguard Mode − Limit Switch Open longer than 3 min- utes
- EL195UHNE
Primary or Secondary Limit Open or Watchguard Mode - Limit Switch Open longer than 3 minutes
- EL196UHE
Primary or Secondary Limit Open or Watchguard Mode - Limit Switch Open longer than 3 minutes
- ML180UHE
Primary or Secondary Limit Open or Watchguard Mode - Limit Switch Open longer than 3 minutes
- ML180UHV
Primary or Secondary Limit Open or Watchguard Mode - Limit Switch Open longer than 3 minutes
- ML193UHE
Primary or Secondary Limit Open or Watchguard Mode - Limit Switch Open longer than 3 minutes
- ML196UHE
Primary or Secondary Limit Open or Watchguard Mode - Limit Switch Open longer than 3 minutes
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.
