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Samsung NX60T8751SSOvens & Range

Error Code C-21

Oven heating over (overheating)

Moderate

Address soon - your appliance may not work properly

What This Means

Faulty oven sensor; Defective heater elements; Malfunctioning relays; Damaged wiring harness

How to Fix

  1. 1

    Measure oven sensor resistance (normal 1080Ω)

  2. 2

    Check broil, bake, and convection heater resistance

  3. 3

    Verify DLB, Broil, Bake relays functioning

  4. 4

    Check all harness connections

  5. 5

    Replace sensor or relays as needed

Other Error Codes for NX60T8751SS

C-F0

Main to Sub module or Sub to LCD communication error

C-d0

Key Short - Knob keeps pushing

C-20

Oven sensor opened (over 2950 Ohms resistance)

C-d1

Door locking information - Door lock malfunction

C-A2

Intake/cooling fan operation error or ambient temperature too high

C-F2

Sub to Touch communication error

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