What It Means
- Error of Outdoor
Lennox Air handler
Lennox Error Code Error of Outdoor
Air handler: Air handler (indoor)
Causes & actions from Lennox
How it shows
- mmd m6 receiver concealed led: green off, red off, led3 flashing, led4 flashing, led5 flashing (green: off, led3: flashing, led4: flashing, led5: flashing, red: off)
- mmd m6 receiver standard led: led1 off, led2 off, led3 flashing, led4 flashing, led5 flashing (led1: off, led2: off, led3: flashing, led4: flashing, led5: flashing)
- samsung receiver concealed led: GREEN off, RED off, Timer icon blinking, Fan icon blinking, Filter icon blinking
- samsung receiver error label: Error of Outdoor
- samsung receiver standard led: Power icon off, Snowflake/drop icon off, Timer icon blinking, Fan icon blinking, Filter icon blinking
This manual entry does not list further causes or actions.
Applicable models & manual sources
- MMD***M6-1P
Error of Outdoor
- MMD***S6-1P
Error of Outdoor
- MMD***S6-1P
Error of Outdoor
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.
