How do I fix error code R-1-ö on a Samsung refrigerators?

1. undefined: 1. Check Main PCB Connector CN30 insertion 2. undefined: 2. Test R DEF Sensor unit for normal operation 3. undefined: 3. Measure voltage between CN30-#4(Orange) and REG1, Heat Sink (should be 4.6V~0.6V) 4. undefined: 4. Verify IC10 MICOM #54 input voltage 5. undefined: 5. Measure resistance CN30 #4 ´ #8 and compare with temperature table

Samsung Refrigerators2009–present

Error Code R-1-ö

Q: What does error code R-1-ö mean on a Samsung refrigerators?

Refrigerator defrost sensor is malfunctioning Sensor housing separation; Connector contact error; Sensor disconnection; Short circuit; Temperature out of valid sensing range

Refrigerator defrost sensor is malfunctioning

Moderate

Address soon - your appliance may not work properly

Also displayed as: R-1-ö

What This Means

Sensor housing separation; Connector contact error; Sensor disconnection; Short circuit; Temperature out of valid sensing range

What actually causes this:

Moisture got into sensor wiring or sensor failed

First Thing to Check

Look for water damage around the defrost heater area

Parts Involved

R-DEF Sensor (502AT Thermistor)

How to Fix

1
1. Check Main PCB Connector CN30 insertion
2
2. Test R DEF Sensor unit for normal operation
3
3. Measure voltage between CN30-#4(Orange) and REG1, Heat Sink (should be 4.6V~0.6V)
4
4. Verify IC10 MICOM #54 input voltage
5
5. Measure resistance CN30 #4 ´ #8 and compare with temperature table

This Error Applies To

Samsung RF195AC Series Refrigerators (2009) (2009–present)

Service manual exact match: RF195ACService manual exact match: RF20HFENBService manual exact match: RF197ACService manual exact match: RF18HFENBService manual exact match: RF215ACService manual exact match: RF217AC