What It Means
- The refrigerant detection system controller has failed.
Lennox Split & Multi-Split
Lennox Split & Multi-Split Error Code E163
Split & Multi-Split:
Causes & actions from Lennox
How it shows
- Single-character display: E163
There appears to be an issue with the refrigerant detection system controller on the indoor unit control board, preventing the refrigerant detection system from operating properly. This may require the replacement of the indoor unit control board. This fault clears when the refrigerant detection system controller operates normally.
Applicable models & manual sources
- CBK48MVT
The refrigerant detection system controller has failed.
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.
