Samsung Ovens & Ranges2013–present
Error Code E-21
Oven sensor circuit open condition
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: E-21
What This Means
Oven sensor disconnection; Open circuit in sensor wiring; Sensor terminal corrosion or damage; Main PCB connector CN201 disconnection; Sub PCB connector CN02 disconnection
What actually causes this:
Temperature sensor has become disconnected or internal wiring has broken
First Thing to Check
Verify both main PCB CN201 and sub PCB CN02 connectors are fully seated
Parts Involved
Oven SensorMain PCBConnectors
How to Fix
- 1
Check if connector CN201 on main PCB is properly inserted
- 2
Check if connector CN02 on sub PCB is properly inserted
- 3
If both connectors are secure and error persists, replace main PCB
This Error Applies To
Samsung NE58F9 Series Ovens & Ranges (2013) (2013–present)
Service manual exact match: NE58F9500SSService manual exact match: NE58F9710WS