What It Means
- Lack of refrigerant or discharging pipe blocked
Lennox Split & Multi-Split
Lennox Split & Multi-Split Error Code 16
Split & Multi-Split: Heat pump (outdoor)
Causes & actions from Lennox
How it shows
- el18kslv outdoor fault display: 16
- el18kslv pcb fault led: 16
Discharge & suction temperatureTd-Ts≥80℃ after compressor started10minutes.
Applicable models & manual sources
- EL18KSLV
Lack of refrigerant or discharging pipe blocked
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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