Error Code COV
House electrical power is too high
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: COV LED blinks
What This Means
House voltage above 127V AC (North America) or 240V AC (Europe); Power surge from utility line; Voltage regulator failure; Defective main PCB
What actually causes this:
House voltage too high or power surge from utility
First Thing to Check
Check if other appliances are affecting power stability
Parts Involved
How to Fix
- 1
1. Use multimeter to measure input power at wall socket
- 2
2. Should be AC 110-127V or AC 220-240V depending on region
- 3
3. Check for power surge conditions
- 4
4. Check PCB bottom side soldering
This Error Applies To
Samsung RF22R7351 Series Refrigerators (2010) (2010–present)
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