Lennox Split & Multi-Split

Lennox Split & Multi-Split Error Code Slow Flash

Split & Multi-Split: Mini-split unit (outdoor)

What It Means

  • Standby

Causes & actions from Lennox

How it shows
  • corp1816 single zone led 009 012: Slow Flash

Standby (Single-Zone 009/012 115VAC/208-230VAC LED 1: Blue/Red)

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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