Samsung RF28R7201SARefrigerator
Error Code COMP-LOW-VOLT
Incoming electrical power too low
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: COMP-LOW-VOLT LED blinks
What This Means
Low house voltage AC 60V (should be AC110-127V) or AC 106V (should be AC220-240V); Power supply cable problem; Main PCB solder defects
What actually causes this:
House power unstable or extension cord used
First Thing to Check
Check if other appliances work normally
Parts Involved
Power SupplyMain PCB
How to Fix
- 1
Measure input voltage with multimeter
- 2
Check power cord and wall outlet
- 3
Verify main PCB solder quality
Other Error Codes for RF28R7201SA
FF
Freezer cooling fan not working
RD-HT
Fridge defrost heater not working
EA
Outdoor air sensor not responding
ICE-DUCT-HT
Ice delivery duct heater failure
FD-HT
Freezer defrost heating element failure
IM-FUNC
Ice maker not making ice
IO-EXP
Main board input/output chip failure
DISP-PANEL
Dispenser display not communicating