Lennox Split & Multi-Split

Lennox Error Code Solid blue, interrupted by issue flash code

Split & Multi-Split: Air handler (indoor)

What It Means

  • Fault/Service

Causes & actions from Lennox

How it shows
  • rds noncomm operating led: Solid blue, interrupted by issue flash code

Refer to Table 7 for trou- bleshooting steps.

Other manual wording

CBK45UHPT

Refer to TABLE 8 for trou- bleshooting steps.

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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