What It Means
- IGBT over-current or IPM over-current
Lennox Split & Multi-Split
Lennox Error Code Flash Flash / Off / Flash Flash
Split & Multi-Split: Mini-split unit (outdoor)
Causes & actions from Lennox
How it shows
- corp1816 single zone led 018 030: Flash Flash / Off / Flash Flash
IGBT over-current or IPM over-current (Main Control Blue or Yellow LED: Flash Flash; IPM Control Red LED: Off, Green LED: Flash Flash)
Applicable models & manual sources
- MPA
IGBT over-current or IPM over-current
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.
