Mitsubishi MSZ-EF15VGK Air Conditioner Error Codes
MSZ-EF15VGK Error Code Reference
Section titled “MSZ-EF15VGK Error Code Reference”Mitsubishi MSZ-EF series 15000 BTU inverter wall-mount split system.
| Error Code | Fault Description |
|---|---|
| E4 | Low pressure / refrigerant shortage detected |
| E6 | Communication error between indoor and outdoor unit |
| E7 | Outdoor fan motor fault |
| E8 | Outdoor unit overcurrent protection |
| F3 | High discharge pipe temperature |
| U4 | Signal transmission failure (control bus) |