What It Means
- Power-up unit identification code for SL22KLV-024.
Lennox Split & Multi-Split
Lennox Error Code 84
Split & Multi-Split: Heat pump (outdoor)
Causes & actions from Lennox
How it shows
- Outdoor control 7-segment display: 84
This manual entry does not list further causes or actions.
Applicable models & manual sources
- SL22KLV
Power-up unit identification code for SL22KLV-024.
SL22KLV, SL22KLV-024
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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