E0 & E7 Error Code: Cooper&Hunter Mini Split

EEPROM Malfunction Malfunction Conditions PCB main chip does not receive feedback from EEPROM Chip Troubleshooting is shown in the figure. EEPROM: An electrically erasable,
programmable, read-only memory whose contents can be erased and reprogrammed using a pulsed voltage. Power off then restart the unit two minutes later. If the error still exists, replace the
main PCB directly..

pexels photo 11039667

As found on YouTube