E9 Error Code (Diamante Series)Updated 11 days ago
Introduction
The "E9" error code indicates the intelligent power module (IPM) or compressor driving control is operating abnormally.
This article is for the following systems:
- Diamante Essenza High-Wall (WYT-17)
- Diamante Essenza High-Wall (WYT-20U)
- Diamante Pro High-Wall (WYT-20S)
If the system stops operating for IPM protection six times consecutively, it will display the error code. The system can't be recovered for operation, except by pressing the On/Off button.
