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:
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)