Error Code 1
Fridge room temperature sensor is malfunctioning
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 1
What This Means
Sensor housing dislodged from mount; Wire cut or broken connection; Wire short circuit; Sensor temperature reading outside -50 to +65°C range
What actually causes this:
Temperature sensor wire broke, pulled loose, or got shorted internally
First Thing to Check
Inspect sensor wire for cuts or damage near door hinges
Parts Involved
How to Fix
- 1
Check voltage between MAIN PCB CN30/CN31 #5 and #6 should be 4.5V to 1.0V
- 2
Measure sensor resistance between CN30/CN31 #5 and #6 - 0Ω indicates short, ∞Ω indicates open
- 3
Verify connector contact is clean and seated
- 4
Check for bent pins in connector
This Error Applies To
Samsung RR39M73 Series Refrigerators
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