F8 Moderate Moderate DIY

Frigidaire Microwave F8 — EEPROM / memory error

Frigidaire Microwave · Error code F8

What F8 Means

F8 means the control board failed to read or write its non-volatile memory (EEPROM). Calibration data is missing or corrupted. The microwave may default to safe mode.

Symptoms

  • F8 on display
  • Settings (clock, presets) lost repeatedly
  • Cycle options missing or grayed out

Common Causes

1
Corrupted EEPROM on control board

Surge or aging caused memory loss.

2
Firmware not loaded after board service

Replacement board needs configuration on some models.

How to Fix It

  1. Unplug for 5 minutes; reset the clock and try a cycle.
  2. If F8 returns, the control board is failing — replace it.
  3. After replacement, set clock and any model-specific options per the tech sheet.

Parts You May Need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

Common replacement Frigidaire microwave control board View on Amazon→

More Frigidaire Microwave Codes

Child Lock 'Lock' / 'L' — Child lock engaged Cooling Fan 'Cooling Fan' / Fan-runs-after-cooking — Vent fan stuck on Demo 'Demo' / 'd' — Showroom demo mode on door 'door' message — Door not fully closed F1 F1 — Control board / thermistor open F10 F10 — Analog-to-digital / keypad communication error

All Frigidaire codes → All microwave codes →

Verified against manufacturer documentation: frigidaire.com

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.