What It Means
- Indoor fan controller PCB overheat error
Lennox Split & Multi-Split
Lennox Error Code E118
Split & Multi-Split: Mini-split unit (outdoor)
Causes & actions from Lennox
How it shows
- mini outdoor inverter pcb: E118
- Mini-split outdoor main board: E118
Check Indoor fan controller PCB
Applicable models & manual sources
- 3WPD036S6S-1P
Indoor fan controller PCB overheat error
Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always follow the service manual for your exact unit.
What should you check next?
Continue in ACLogics with guided diagnosis for your equipment and symptoms.
