Error Code 8
Ice maker cannot detect correct temperature
Moderate
Address soon - your appliance may not work properly
Also displayed as: 8 (Freezer LED blinks)
What This Means
Ice maker thermistor disconnected from MAIN PCB connector CN30; Ice maker thermistor defective (open or shorted); Bad wiring between sensor and MAIN PCB; MAIN PCB defect
What actually causes this:
Ice maker sensor is broken or disconnected
First Thing to Check
Verify the sensor wire is plugged in
Parts Involved
How to Fix
- 1
1. Enter self-diagnostic mode via Engineer Mode (select '3')
- 2
2. Measure voltage at MAIN PCB CN30 pin 9 to pin 11 — normal range: 1.0V to 4.5V
- 3
3. Disconnect CN30 and measure resistance between pins 9 and 11 — compare to temperature table
- 4
4. Check voltage of R905 (IC01 MICOM #12) on PCB
- 5
5. If sensor tests normal, replace MAIN PCB
This Error Applies To
Samsung RF22A4 Series Refrigerators (2021) (2021–present)
Related Error Codes
Control panel cannot talk to main circuit board
Main board cannot control the compressor
Freezer is not cold enough
Cannot detect compressor motor position
Inverter board is too hot
Humidity level cannot be monitored
Water in dispenser tank cannot be heated
Compressor protection circuit activated