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

1. undefined: 1. Verify Main PCB Connector CN30 is inserted correctly 2. undefined: 2. Test R Sensor unit for continuity 3. undefined: 3. Measure voltage between CN30-#3(Red) & REG1, Heat Sink (should be 4.6V~0.6V) 4. undefined: 4. Check IC10 MICOM #53 input voltage 5. undefined: 5. Measure resistance CN30 #3 ´ #8 and compare with temperature table

Samsung Refrigerators2009–present

Error Code R-1-õ

Refrigerator section temperature sensor is not working properly

Moderate

Address soon - your appliance may not work properly

Also displayed as: R-1-õ

What This Means

Sensor housing separation or contact error; Sensor disconnection; Short circuit in wiring; Temperature sensing out of valid range; Bad connector insertion

What actually causes this:

Sensor connection came loose or sensor failed from age

First Thing to Check

Check behind the refrigerator compartment for loose sensor wires

Parts Involved

R-Sensor (502AT Thermistor)

How to Fix

1
1. Verify Main PCB Connector CN30 is inserted correctly
2
2. Test R Sensor unit for continuity
3
3. Measure voltage between CN30-#3(Red) & REG1, Heat Sink (should be 4.6V~0.6V)
4
4. Check IC10 MICOM #53 input voltage
5
5. Measure resistance CN30 #3 ´ #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