Lennox MLA018S4S-1P - EEPROM & Communication Errors (E0-E3); Troubleshooting Outdoor Unit Error Codes; E0: Outdoor EEPROM Malfunction

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23. Troubleshooting Outdoor Unit Error Codes
Error Code: E0
Description: OutdoorEEPROMmalfunction.
General Note: PCBmainchipdoesnotreceivefeedbackfromEEPROMchip.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photo.
OutdoorEEPROMmalfunction
Poweroff,thenrestarttheunit3minutes
later.
Yes
Doestheproblemstillexist?
Yes
ReplacetheoutdoormainPCB.