What It Means
- Flame sensed but gas valve solenoid not energized.
- R-input not available
Lennox Packaged Unit
Lennox Packaged Unit Error Code 5
Packaged Unit
5 means different things on different Packaged Unit models. Enter your model number to see only your reading, or find your model below.
Causes & actions from Lennox
Flame sensed but gas valve solenoid not energized.
4 models
ZGD036, ZGD048, ZGD060, ZGD074
Packaged HVAC (outdoor)
How it shows
- dsi ignition heartbeat led: 5
This manual entry does not list further causes or actions.
Applicable models & manual sources
- ZGD036
Flame sensed but gas valve solenoid not energized.
ZGD036, ZGD048, ZGD060, ZGD074
R-input not available
8 models
ZCD036, ZCD048, ZCD060, ZCD074, ZGD036, ZGD048, ZGD060, ZGD074
Packaged HVAC (outdoor)
How it shows
- rds red wink led: 5
Check for 24VAC power connected to thermostat R terminal on the RDSC. 24VAC power should only be provided at A194-R quick connection for the RDSC to function.
Applicable models & manual sources
- ZCD036
R-input not available
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.
