Samsung Range Error Code u (underlined): Meaning & How to Fix It

By the ErrorCodePro Editorial Team · Last reviewed October 20, 2026

Samsung range error code u (underlined) means: On induction cooktops, the cookware is unsuitable or misplaced, so the element won't heat. [1] Keep using it? Yes. Start with the owner checks below, beginning with: check the cookware.

Quick facts

Code	u (underlined)
Also shown as	None listed by the manufacturer
Brand / appliance	Samsung range
System	Sensors
Official meaning	On induction cooktops, the cookware is unsuitable or misplaced, so the element won't heat. [1]
Keep using it?	Yes
DIY-safe?	Owner checks only (listed below)
Support	Samsung Support Center (samsung.com/us/support)

On this page: Meaning · Steps · Parts · When to call a technician · Related codes · FAQ

What error code u (underlined) means on a Samsung range

On induction cooktops, the cookware is unsuitable or misplaced, so the element won't heat. [1]

This is a sensors code. Codes and wording can vary by model, so check your owner's manual for your model number.

How to fix Samsung range error code u (underlined) (safe owner checks)

Safety first: disconnect power before you remove any panel or reach into the sump or drum. Do not touch wiring, the control board or the motor. If you see water near electrical parts, stop and call a technician. These steps are based on Samsung's published guidance [1], rewritten for clarity.

Check the cookware. Use induction-compatible cookware of the right size, centred on the element.

Parts that may be involved

Exact parts depend on your model number. This page lists part types only, never part numbers.

No specific part is implied by the manufacturer's guidance for this code.

When to call a technician

Anything involving wiring, the control board, the motor or the water valve electrics
The appliance is under warranty: contact Samsung Support Center (samsung.com/us/support) first

Frequently asked questions

What does error code u (underlined) mean on a Samsung range?

Samsung lists u (underlined) as follows: On induction cooktops, the cookware is unsuitable or misplaced, so the element won't heat.

Is it safe to keep using the range with u (underlined)?

Yes.

Can I fix Samsung range error u (underlined) myself?

Only with the owner checks on this page, starting with: check the cookware. If it persists, call a technician or Samsung Support Center (samsung.com/us/support).

Sources

https://www.samsung.com/us/support/troubleshoot/TSG10003529/ (official)

Last reviewed: October 20, 2026. ErrorCodePro is not affiliated with Samsung.