What It Means
- The refrigerant detection system sensor is reporting a fault.
Lennox Split & Multi-Split
Lennox Split & Multi-Split Error Code E151
Split & Multi-Split:
Causes & actions from Lennox
How it shows
- Single-character display: E151
The refrigerant detection sensor in the indoor unit is reporting an issue that prevents it from functioning properly, and replacement of the sensor may be necessary. This fault clears when the sensor no longer reports the presence of a fault condition.
Applicable models & manual sources
- CBK48MVT
The refrigerant detection system sensor is reporting a fault.
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.
