What It Means
- MMD***S6-1P: R-32 detection sensor unavailable alarm
- MMD***M6-1P: Error indicating the refrigerant leak sensor's lifespan expired
Lennox Air handler
Lennox Air handler Error Code E700
Air handler
E700 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
R-32 detection sensor unavailable alarm
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 blinking
- samsung receiver error label: E700
- 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***S6-1P
R-32 detection sensor unavailable alarm
- MMD***S6-1P
R-32 detection sensor unavailable alarm
Error indicating the refrigerant leak sensor's lifespan expired
Models: MMD***M6-1P
Air handler (indoor)
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)
This manual entry does not list further causes or actions.
Applicable models & manual sources
- MMD***M6-1P
Error indicating the refrigerant leak sensor's lifespan expired
Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always follow the service manual for your exact unit.
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