What It Means
- Remote or Wired controller Lock
Lennox Split & Multi-Split
Lennox Error Code LL
Split & Multi-Split: Mini-split unit (indoor)
Causes & actions from Lennox
How it shows
- 508242 indoor display: LL
This manual entry does not list further causes or actions.
Applicable models & manual sources
- MWCB
Remote or Wired controller Lock
MWCB, MWHB
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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Continue in ACLogics with guided diagnosis for your equipment and symptoms.
