Samsung · Oven Minor

tESt — (tE5t) — Demo Mode Active

Samsung's official message that the oven is in Demo / Showroom mode. In Demo mode the display and controls work but the oven and cooktop will NOT heat.

Keep using it?
Yes — fix when convenient
DIY difficulty
Easy
Verified against
samsung.com ↗

How to fix it

  1. Check the owner's manual for the model-specific exit sequence (commonly a multi-button hold for several seconds).
  2. On many Samsung ranges, hold the appropriate combo (often a setting + temperature combo) until the display beeps and 'tESt' clears.
  3. Power-cycle the oven at the breaker and re-verify normal cook behavior.
  4. If you can't find the exit sequence, contact Samsung support with the exact model number.

Why it happens

Typical signs: 'tESt' or 'tE5t' on display · Oven appears to start cycles but cavity never heats · Cooktop won't heat either · Behavior began right after delivery

  • Demo mode enabled at factory or showroom Unit shipped with showroom mode active.
  • Demo mode toggled accidentally Sequence on the panel entered by accident.

More Samsung oven codes

---- ---- — Invalid Temperature Setting -dC- -dC- — Flex Duo Divider Missing or Removed -dE- -dE- — Flex Duo Divider Not Installed bAd LinE bAd LinE — Bad Power Connection C-10 Range C-10 — Temperature Sensor Reading Error C-20 C-20 — Oven Temperature Sensor Open/Short

All Samsung codes → All oven codes →

Frequently asked questions

What does the tESt code mean on a Samsung oven?

Samsung's official message that the oven is in Demo / Showroom mode. In Demo mode the display and controls work but the oven and cooktop will NOT heat.

What causes the tESt code on a Samsung oven?

Demo mode enabled at factory or showroom: Unit shipped with showroom mode active. Demo mode toggled accidentally: Sequence on the panel entered by accident.

Is it safe to keep using a Samsung oven with a tESt error?

Yes — fix when convenient. This is rated a minor-severity fault.

How do I fix tESt on a Samsung oven?

Check the owner's manual for the model-specific exit sequence (commonly a multi-button hold for several seconds). On many Samsung ranges, hold the appropriate combo (often a setting + temperature combo) until the display beeps and 'tESt' clears. Power-cycle the oven at the breaker and re-verify normal cook behavior.

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.