E9 Error Code (Diamante Series)Updated 6 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.
