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Lennox MPB036S4M

Lennox MPB036S4M
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140
Error Code: F4
Description: OutdoorEEPROMerror.
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belowphotos.
OutdoorEEPROMmalfunction
Poweroff,thenrestarttheunit3minutes
later.
Yes
Doestheproblemstillexist?
Outdoor PCB(M3OC-30HRFN1-M)
Yes
ReplacetheoutdoormainPCB.

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