What It Means
- Compressor motor desynchronizing
Lennox Split & Multi-Split
Lennox Split & Multi-Split Error Code 18
Split & Multi-Split: Heat pump (outdoor)
Causes & actions from Lennox
How it shows
- el18kslv outdoor fault display: 18
- el18kslv pcb fault led: 18
Rotor desynchronizing occured ,caused by overload or load sharply fluctuating or compressor current sensor cicuit abnormal or one of the inverter’s gate drive signal missing.
Applicable models & manual sources
- EL18KSLV
Compressor motor desynchronizing
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.
