8.4.2 Outdoor unit trouble shooting
8.4.2.1 E0 (Outdoor unit EEPROM parameter 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:
Yes
Replace the outdoor main
PCB
Replace the outdoor main
PCB
Power off, then restart the
unit 3 minutes later
Power off, then restart the
unit 3 minutes later
Outdoor EEPROM malfunction
Outdoor EEPROM malfunction
EEPROM: aread‐onlymemorywhosecontentscanbeerasedandreprogrammedusingapulsedvoltage.For
thelocationofEEPROMchip,pleaserefertothebelowphotos.
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