How do I fix error code C9 on a Samsung ovens & ranges?

1. undefined: Check Sub PCB C1 connector for ribbon cable seating 2. undefined: Inspect cable for damage or shorts 3. undefined: Verify pin alignment and contact 4. undefined: Replace Sub PCB or ribbon cable assembly as needed

Samsung Ovens & Ranges

Error Code C9

Q: What does error code C9 mean on a Samsung ovens & ranges?

Keypad communication failure with Sub PCB Ribbon cable disconnected; Sub PCB connector pin damage; Cable short circuit; Sub PCB failure

Keypad communication failure with Sub PCB

Critical

Stop using immediately - risk of damage or safety issue

What This Means

Ribbon cable disconnected; Sub PCB connector pin damage; Cable short circuit; Sub PCB failure

How to Fix

1
Check Sub PCB C1 connector for ribbon cable seating
2
Inspect cable for damage or shorts
3
Verify pin alignment and contact
4
Replace Sub PCB or ribbon cable assembly as needed

This Error Applies To

Samsung NE58R9431S Series Ovens & Ranges

Service manual exact match: NE58R9431SS/AAService manual exact match: NE58R9431SSService manual exact match: BASIC NE58SS

Related Error Codes

Internal temperature rises abnormally high during operation

Oven sensor short circuit - abnormally high resistance

PCB temperature sensor short circuit

PCB temperature sensor open circuit

Keypad short circuit detected

Oven sensor open circuit - sensor not responding

Communication error between Main PCB and Sub PCB

Door lock motor coil resistance abnormal or micro switch failure

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