E9/E0: Eeprom Malfunction - Midea MDV-V80W/DN1 Technical Manual

MCAC-VTSM-2014-10 R410A All DC Inverter Mini VRF
7.7 E9/E0: EEPROM malfunction (E9 is for 80/105 model, E0 is for 120~160 model)
The malfunction may be caused by two reasons:
1) The EEPROM is not inserted well; 2) Outdoor main board is broken.
LED display E9/E0
EEPROM malfunction
NO
Check whether the EEPROM is inserted well.
Insert the EEPROM well
YES
Replace outdoor main PCB.
Troubleshooting 87