How do I fix error code C-20 on a Samsung ovens & ranges?

1. undefined: Disconnect power and open back cover 2. undefined: Remove PCB Main from holder and disconnect sensor harness from control 3. undefined: Measure sensor resistance (should read 25-1000 ohms depending on temperature) 4. undefined: If resistance is infinite (open circuit), replace oven sensor 5. undefined: Check for damaged terminals or wire on harness and repair 6. undefined: Check resistance of oven sensor connector on main PCB

Samsung Ovens & Ranges2019–present

Error Code C-20

Q: What does error code C-20 mean on a Samsung ovens & ranges?

Oven sensor opened Oven temperature sensor circuit open; Disconnected sensor harness; Damaged sensor terminals or wiring

Oven sensor opened

Moderate

Address soon - your appliance may not work properly

What This Means

Oven temperature sensor circuit open; Disconnected sensor harness; Damaged sensor terminals or wiring

How to Fix

1
Disconnect power and open back cover
2
Remove PCB Main from holder and disconnect sensor harness from control
3
Measure sensor resistance (should read 25-1000 ohms depending on temperature)
4
If resistance is infinite (open circuit), replace oven sensor
5
Check for damaged terminals or wire on harness and repair
6
Check resistance of oven sensor connector on main PCB

This Error Applies To

Samsung NE59J3420S Series Ovens & Ranges (2019) (2019–present)

Service manual exact match: NE59*432***Service manual exact match: NE59J3420SSService manual exact match: NE59M3420SSService manual exact match: NE59J3421Service manual exact match: NE59J3421SS

Related Error Codes

C-d1

Door locking failure - Door lock motor or switch malfunction

C-30

PCB temp sensor opened - Temperature sensor circuit open on control board

C-31

PCB temp over - Control board temperature sensor reading too high

C-d0

Shorted key - Membrane keypad short circuit

C-21

Oven heating over - Temperature rising too fast or sensor shorted

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