E8
Black+Decker
Control logic or EEPROM configuration fault
Microwave displays E8 and will not start; sometimes appears after setting the clock or using timer functions.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Corrupted control board memory, Software glitch after power interruption, Failed main control board
How to Fix / Troubleshooting
Safety first: Unplug the microwave before any disassembly.
- Factory reset (if available):
- Consult the Black+Decker user manual for your model to see if a factory reset or clear function exists (often holding STOP/CANCEL for several seconds).
- Extended power reset:
- Unplug the microwave for at least 30 minutes.
- Plug back in, set the clock, and test basic heating.
- Check keypad for stuck buttons:
- Press each button individually to ensure none are stuck or continuously registering.
- A stuck key can cause logic errors.
If E8 persists after resets and keypad checks, the main control board (with EEPROM) is likely defective and should be replaced as a complete assembly.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board (with EEPROM)
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