What It Means
- Could be one of the following: • Driver phase loss protection • Driver zero speed protection • PWM synchronization failure.
Lennox Split & Multi-Split
Lennox Error Code Flash Flash / ON / Flash Flash
Split & Multi-Split: Mini-split unit (outdoor)
Causes & actions from Lennox
How it shows
- corp1816 single zone led 018 030: Flash Flash / ON / Flash Flash
Could be one of the following: Driver phase loss protection; Driver zero speed protection; PWM synchronization failure (Main Control Blue or Yellow LED: Flash Flash; IPM Control Red LED: ON, Green LED: Flash Flash)
Applicable models & manual sources
- MPA
Could be one of the following: • Driver phase loss protection • Driver zero speed protection • PWM synchronization failure.
MPA, MPB, MLA
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.
