Error Code 13C
Interior humidity sensor is faulty or not getting power
Moderate
Address soon - your appliance may not work properly
Also displayed as: 13C
What This Means
Sensor housing connector CN40 disconnected or loose; 5V supply to humidity sensor missing; Humidity sensor output out of normal range (should be 1V to 4V); Defective humidity sensor
What actually causes this:
The humidity sensor in the top table assembly has a loose connection or has failed.
First Thing to Check
Check that the CN40 connector on the Main PCB is fully and securely plugged in.
Parts Involved
How to Fix
- 1
Check that Main PCB connector CN40 is inserted properly
- 2
Verify 5V DC is present at humidity sensor connector pins #1 to #2
- 3
Check voltage output at sensor connector #2 to #4 — normal range is 1V to 4V
- 4
Compare readings to the humidity sensor voltage table (DATA2) in section 4-3
- 5
Replace humidity sensor if output is out of range with good power supply
This Error Applies To
Samsung RF59A7670 Series Refrigerators (2022) (2022–present)
Related Error Codes
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External ambient temperature sensor is faulty or disconnected
Freezer defrost heater or related safety component has failed
Main board has lost communication with the Wi-Fi module
Freezer fan motor has stopped working or lost its feedback signal