Error Code 42E
Door handle heater wire is broken or disconnected
Moderate
Address soon - your appliance may not work properly
Also displayed as: 42E
What This Means
Connector at Main PCB CN51 pins 2 and 3 separated; Wire cut
What actually causes this:
The thin cord heater in the door handle area has broken, commonly when doors are removed and reinstalled during service.
First Thing to Check
Inspect the heater cord routing on the freezer and Cool Select door handle for any visible damage.
Parts Involved
How to Fix
- 1
Remove CN51 from Main PCB
- 2
Measure continuity between CN51 pin 2 and CN51 pin 3
- 3
∞ Ohm indicates open circuit — check wire or connector
This Error Applies To
Samsung RF34H9950S Series Refrigerators (2018) (2018–present)
Related Error Codes
Main board internal I/O expander chip has failed
Cool Select Room fan stopped or not sending feedback
Chef Pantry fan motor has stopped
Internal fridge humidity sensor disconnected or failed
Fridge temperature sensor has failed or is disconnected
Chef Pantry temperature sensor has failed
Cool Select Room sensor failed or disconnected
Fridge defrost sensor disconnected or failed