Error Code 3
External humidity sensor reading is out of range
Moderate
Address soon - your appliance may not work properly
Also displayed as: 6
What This Means
Sensor housing slipped out of position; Wire cut or broken; Wire short circuit; Open circuit in sensor; Humidity reading outside normal range
What actually causes this:
Sensor wire disconnected or moisture entered the sensor
First Thing to Check
Inspect external sensor wiring for moisture or disconnection
Parts Involved
How to Fix
- 1
Check voltage between MAIN PCB CN31 #3 and #4 should be 4.5V to 1.0V
- 2
Verify connector contact is clean and properly inserted
- 3
Measure exterior humidity sensor resistance
- 4
Check for water penetration into sensor assembly
This Error Applies To
Samsung RR39M73 Series Refrigerators
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