What It Means
- MMD***S6-1P: The indoor unit receiving the communication error from the outdoor unit
- MMD***M6-1P: Indoor unit receivescommunicationerrorfromoutdoorunit.
Lennox Air handler
Lennox Air handler Error Code E102
Air handler
E102 means different things on different Air handler models. Enter your model number to see only your reading, or find your model below.
Causes & actions from Lennox
The indoor unit receiving the communication error from the outdoor unit
Models: MMD***S6-1P
Air handler (indoor)
How it shows
- samsung receiver concealed led: GREEN off, RED off, Timer icon blinking, Fan icon blinking, Filter icon off
- samsung receiver error label: E102
- samsung receiver standard led: Power icon off, Snowflake/drop icon off, Timer icon blinking, Fan icon blinking, Filter icon off
This manual entry does not list further causes or actions.
Applicable models & manual sources
- MMD***S6-1P
The indoor unit receiving the communication error from the outdoor unit
- MMD***S6-1P
The indoor unit receiving the communication error from the outdoor unit
Indoor unit receivescommunicationerrorfromoutdoorunit.
Models: MMD***M6-1P
Air handler (indoor)
How it shows
- mmd m6 receiver concealed led: green off, red off, led3 flashing, led4 flashing, led5 off (green: off, led3: flashing, led4: flashing, led5: off, red: off)
- mmd m6 receiver standard led: led1 off, led2 off, led3 flashing, led4 flashing, led5 off (led1: off, led2: off, led3: flashing, led4: flashing, led5: off)
The indoor unit receiving the communication error from the outdoor unit
Applicable models & manual sources
- MMD***M6-1P
Indoor unit receivescommunicationerrorfromoutdoorunit.
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?
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