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Michael SandersAug 3, 2025
What to do if my Lennox MPB036S4M-*P Air Conditioner shows an outdoor EEPROM malfunction?
- JJason CruzAug 3, 2025
If your Lennox Air Conditioner displays an outdoor EEPROM malfunction, try these steps: * Power off the unit, then restart it after 3 minutes. * If the issue persists, the outdoor main PCB may need to be replaced.