Err — Generic Fault
Samsung's documented generic error: the control board logged a fault it can't classify with a specific code. Always start with a hard power reset.
- Keep using it?
- Yes, with caution
- DIY difficulty
- Easy
- Verified against
- samsung.com ↗
How to fix it
- Cut power at the breaker for 5+ minutes, then restore.
- Try a cook cycle and watch for a more specific code to appear.
- If 'Err' returns immediately on power-up, the main control board has likely failed — replace it.
- Document any other codes that appear before 'Err' for service reference.
Why it happens
Typical signs: 'Err' displayed without a number · Oven won't accept commands · May follow a power blip
- Glitch from a power event Brownout/surge corrupted controller state.
- Underlying fault not yet specific Another component is failing but hasn't returned its code yet.
- Failed main control board PCB itself faulty.
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.
- Samsung oven main control board Common replacementAmazon →
More Samsung oven codes
Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: samsung.com.