Lennox Split & Multi-Split

Lennox Error Code D10 Status LED (Green) - 1s On, 1s Off

Split & Multi-Split: Heat pump (outdoor)

What It Means

  • Normal Heartbeat of the EEV Controller Firmware

Causes & actions from Lennox

How it shows
  • el21klv eev d10 led: D10 Status LED (Green) - 1s On, 1s Off (green: flashing)

This manual entry does not list further causes or actions.

Applicable models & manual sources
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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