Lennox Split & Multi-Split

Lennox Split & Multi-Split Error Code h

Split & Multi-Split

h 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

  • CBX40UHV: Stage heat pump (shows active heat pump stages) h1 or h2
  • CBK48MVT: Variable Capacity Heat (1 second ON, 0.5 second OFF) / % of input rate displayed / Pause/ cfm setting / Pause/ Repeat codes. Example: or h1 or h2

Causes & actions from Lennox

Stage heat pump (shows active heat pump stages) h1 or h2

Models: CBX40UHV

Air handler (indoor)

How it shows
  • Single-character display: h

This manual entry does not list further causes or actions.

Applicable models & manual sources

Variable Capacity Heat (1 second ON, 0.5 second OFF) / % of input rate displayed / Pause/ cfm setting / Pause/ Repeat codes. Example: or h1 or h2

Models: CBK48MVT

How it shows
  • Single-character display: h

This manual entry does not list further causes or actions.

Applicable models & manual sources
  • CBK48MVT

    Variable Capacity Heat (1 second ON, 0.5 second OFF) / % of input rate displayed / Pause/ cfm setting / Pause/ Re- peat codes. Example: or h1 or h2

    CBK48MVT manual, page 49

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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