Lennox Split & Multi-Split

Lennox Error Code E484

Split & Multi-Split

E484 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

  • System EEV coil current too low. Heat pump operation can continue. Check system EEV coil connection to the EEV controller.
  • 3WPD036S6S-1P: PFC Overload (Over current) Error

Causes & actions from Lennox

System EEV coil current too low. Heat pump operation can continue. Check system EEV coil connection to the EEV controller.

10 models

EL21KLV, EL21KLV-024, EL21KLV-036, EL21KLV-048, EL21KLV-060, SL22KLV, SL22KLV-024, SL22KLV-036, SL22KLV-048, SL22KLV-060

Heat pump (outdoor)

How it shows
  • Outdoor control 7-segment display: E484

System EEV coil current too low. Heat pump operation can continue.

Other manual wording

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

System EEV coil current too low. Heat pump operation can continue. Check system EEV coil connection to the EEV controller

Applicable models & manual sources
  • EL21KLV

    System EEV coil current too low. Heat pump operation can continue. Check system EEV coil connection to the EEV controller.

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

    EL21KLV manual, page 50

  • EL21KLV

    System EEV coil current too low. Heat pump operation can continue. Check system EEV coil connection to the EEV controller

    EL21KLV manual, page 41

  • SL22KLV

    System EEV coil current too low. Heat pump operation can continue. Check system EEV coil connection to the EEV controller

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

    SL22KLV manual, page 36

PFC Overload (Over current) Error

Models: 3WPD036S6S-1P

Mini-split unit (outdoor)

How it shows
  • mini outdoor inverter pcb: E484
  • Mini-split outdoor main board: E484

Check Outdoor Inverter PBA.

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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