Lennox Split & Multi-Split

Lennox Error Code E444

Split & Multi-Split

E444 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

  • Reversing valve position does not match the position commanded by the outdoor control. Verify reversing valve wiring connections are secure.
  • Reversing valve position error

Causes & actions from Lennox

Reversing valve position does not match the position commanded by the outdoor control. Verify reversing valve wiring connections are secure.

5 models

EL21KLV, EL21KLV-024, EL21KLV-036, EL21KLV-048, EL21KLV-060

Heat pump (outdoor)

How it shows
  • Outdoor control 7-segment display: E444

Reversing valve position does not match the position commanded by the outdoor control.

Applicable models & manual sources
  • EL21KLV

    Reversing valve position does not match the position commanded by the outdoor control. Verify reversing valve wiring connections are secure.

    EL21KLV, EL21KLV-024, EL21KLV-036, EL21KLV-048, EL21KLV-060

    EL21KLV manual, page 50

Reversing valve position error

5 models

SL22KLV, SL22KLV-024, SL22KLV-036, SL22KLV-048, SL22KLV-060

Heat pump (outdoor)

How it shows
  • Outdoor control 7-segment display: E444

Reversing valve position does not match the position commanded by the controller. Verify reversing valve wiring connections are secure.

Applicable models & manual sources
  • SL22KLV

    Reversing valve position error

    SL22KLV, SL22KLV-024, SL22KLV-036, SL22KLV-048, SL22KLV-060

    SL22KLV manual, page 91

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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