E520Samsung Oven
Samsung Oven Error E520 – Meaning, Causes & How to Fix
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply.
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Expert Verified
Reviewed by a Certified Electrical Engineer & Licensed Technician
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Official Meaning
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply.
Real-World Causes
- 1Bake or broil element failure
- 2Oven temperature sensor (thermistor) malfunction
- 3Control board or relay failure
- 4Door lock mechanism malfunction
- 5Igniter weak or failed (gas models)
- 6Convection fan motor failure
- 7Wiring harness damage from heat exposure
Symptoms
Look for these signs to confirm error E520 on your Samsung Oven:
- Oven not reaching set temperature
- Error code displayed on control panel
- Uneven cooking or hot spots
- Oven door won't lock or unlock (self-clean cycle)
- Preheating takes excessively long
- Oven shuts off unexpectedly during cooking
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DIY Fix (Safe)
- 1Reset the oven by switching off at the breaker for 5 minutes
- 2Check that the oven door closes and seals properly
- 3Inspect heating elements for visible breaks or blistering
- 4Verify the oven is set to the correct cooking mode
- 5Clean temperature sensor probe (do not bend it)
- 6Ensure proper ventilation around the oven
Professional Action Required
- 1Test bake and broil elements with a multimeter for continuity
- 2Measure temperature sensor resistance (typically ~1100Ω at room temp)
- 3Inspect control board for burned traces or failed relays
- 4Check door lock motor and switch assembly
- 5Replace convection fan motor if noisy or seized
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Additional Context
Frequently Asked Questions
What does Samsung Oven error E520 mean?
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply.
What causes Samsung Oven E520 error?
Common causes include: Bake or broil element failure. Oven temperature sensor (thermistor) malfunction. Control board or relay failure. These are typical for oven heating and temperature control issues.
How do I fix Samsung Oven error E520?
Start with these steps: Reset the oven by switching off at the breaker for 5 minutes. Check that the oven door closes and seals properly. If the error persists, a technician should test the heating elements and temperature sensor.
Related Error Codes
Other Samsung Oven Errors
C-20Oven temperature sensor (upper) error – the upper oven cavity temperature sensor is malfunctioning or returning out-of-range readings
C-21Oven overheating – the oven cavity temperature has exceeded the safe maximum limit, triggering a protective shutdown
C-24Oven cooktop temperature sensor error – a temperature sensor on the cooktop (stovetop) surface is malfunctioning
E497The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
E441The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
E143The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
E244The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
E604The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
About the Author
Technical Review Team
Reviewed by certified appliance technicians with 10+ years of Samsung repair experience. Every error code is verified against manufacturer service manuals and real-world repair data.