What It Means
- Error on Eva-out sensor (Short or Open)
Lennox Air handler
Lennox Air handler Error Code E123
Air handler: Air handler (indoor)
Causes & actions from Lennox
How it shows
- mmd m6 receiver concealed led: green flashing, red off, led3 flashing, led4 off, led5 off (green: flashing, led3: flashing, led4: off, led5: off, red: off)
- mmd m6 receiver standard led: led1 flashing, led2 off, led3 flashing, led4 off, led5 off (led1: flashing, led2: off, led3: flashing, led4: off, led5: off)
- samsung receiver concealed led: GREEN blinking, RED off, Timer icon blinking, Fan icon off, Filter icon off
- samsung receiver error label: E123
- samsung receiver standard led: Power icon blinking, Snowflake/drop icon off, Timer icon blinking, Fan icon off, Filter icon off
Error on Eva-out sensor (Short or Open)
Other manual wording
MMD***S6-1P
This manual entry does not list further causes or actions.
Applicable models & manual sources
- MMD***M6-1P
2. Error on Eva-out sensor (Short or Open)
- MMD***S6-1P
Error on Eva-out sensor (Short or Open)
- MMD***S6-1P
Error on Eva-out sensor (Short or Open)
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.
