Lennox Split & Multi-Split

Lennox Error Code -

Split & Multi-Split

- means different things on different Split & Multi-Split models. Enter your model number to see only your reading, or find your model below.

What It Means

  • CBK48MVT, CBX40UHV: Push and hold button until required symbol displays: H, A or P.
  • CBK48MVT: Push and hold button until solid dash appears, release button. Display will blink.
  • CBX40UHV: Push and hold button until solid dash appears; release button. Display will blink.

Causes & actions from Lennox

Push and hold button until required symbol displays: H, A or P.

Models: CBK48MVT, CBX40UHV

Air handler (indoor)

How it shows
  • Single-character display: -

This manual entry does not list further causes or actions.

Applicable models & manual sources

Push and hold button until solid dash appears, release button. Display will blink.

Models: CBK48MVT

How it shows
  • Single-character display: -

This manual entry does not list further causes or actions.

Applicable models & manual sources

Push and hold button until solid dash appears; release button. Display will blink.

Models: CBX40UHV

Air handler (indoor)

How it shows
  • Single-character display: -

Push and hold button until solid appears, release button. Display will blink.

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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