What It Means
- Mitigation (Leak Detected)
Lennox Packaged Unit
Lennox Packaged Unit Error Code Flashing blue
Packaged Unit: Packaged HVAC (outdoor)
Causes & actions from Lennox
How it shows
- rds multicolor operating led: Flashing blue
Check coil tubes for leak. Repair the issue and restart the equipment.
Applicable models & manual sources
- ZCD036
Mitigation (Leak Detected)
ZCD036, ZCD048, ZCD060, ZCD074, ZGD036, ZGD048, ZGD060, ZGD074
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.
