Midea M4OC-36HRFN1-M - Outdoor Unit Troubleshooting; EEPROM Malfunction (E0) Diagnosis

9.4.2 Outdoor unit trouble shooting
9.4.2.1 E0(Outdoor EEPROM malfunction) error diagnosis and solution
Error Code
E0
Malfunction decision
conditions
PCB main chip does not receive feedback from EEPROM chip
Supposed causes
● Installation mistake
● PCB faulty
Trouble shooting:
If the EEPROM chip
is welded on PCB,
replace the PCB
directly. Otherwise,
check whether the
EEPROM chip
plugged in PCB well?
Yes
No
Yes
Insert the EEPROM well
Replace the outdoor main board
Outdoor EEPROM malfunction
EEPROM: a read-only memory whose contents can be erased and reprogrammed using a pulsed voltage.
For the location of EEPROM chip, please refer to the below photos.
Outdoor PCB(M3OC-30HRFN1-M)