Lennox Split & Multi-Split

Lennox Error Code Green LED ON

Split & Multi-Split:

What It Means

  • Module not powering up.

Causes & actions from Lennox

How it shows
  • lsom power led: Green LED ON (power: on)

Determine/verify that both R and C module terminals are connected and voltage is present at both terminals.

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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