Samsung Dishwasher 4E error code
- Dishwasher
On Samsung dishwashers, error 4E indicates: Water supply error — the dishwasher is not getting water at the pressure or temperature it needs. Some displays show this as 4C. Start with a 5-minute power reset at the breaker, then follow the dishwasher-specific checks below before ordering replacement parts for 4E.
Reviewed August 2025 · sources below
Safe to keep using?
Safe for limited use
No immediate safety hazard detected, but monitor during use.
- • Monitor the appliance during use and stop if symptoms worsen.
Next step
Still seeing 4E?
Show a photo or describe the symptom. Answer a few safety-first questions and see whether a part is needed.
Free guided checks · No account required · Don’t open live electrical, gas, or refrigerant equipment
How to fix 4E
- Unplug the dishwasher or turn off power at the breaker before inspecting any components.
- Reset Samsung 4E: leave power off for 5 minutes, restore power, then restart. Confirm whether 4E returns.
- Check the most common cause for 4E: Water supply error — the dishwasher is not getting water at the pressure or temperature it needs.
- Inspect hoses, connections, and visible wiring for damage, clogs, or loose fittings.
- If a reset and basic checks don't clear the code, use our lookup tool for AI-powered diagnosis or contact a qualified technician.
- Reassemble, restore power, and run a test cycle. If 4E returns, the faulty component likely needs replacement.
Call a pro when: Call a technician if you smell burning, see sparking, hear grinding from the motor, or the code returns after replacing the suspected part.
What 4E means
Water supply error — the dishwasher is not getting water at the pressure or temperature it needs.
Parts for this repair
We don't yet have a verified exact part number for this model. Search for a compatible water inlet valve.
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Likely causes
The shutoff under the sink is often left partly closed after other plumbing work.
Check: Open the valve fully, straighten the hose, and run the sink hot before starting a cycle.
Est. cost: $0–$0
Sediment in the hose screens restricts flow even when the valve is open.
Check: Shut off water, disconnect hoses at the appliance, and rinse the mesh screens.
Est. cost: $0–$15
Guided repair checklist
Complete the safe checks one at a time. Progress is saved for this browser so you can continue later.
0 of 6 checks recorded
Recommended next action
Start with this check before considering replacement parts.
Check 1 of 6
Unplug the dishwasher or turn off power at the breaker before inspecting any components.
Did the repair resolve the issue?
Restoring repair progress…
Questions about 4E
What does 4E error code mean on a Samsung dishwasher?
Water supply error — the dishwasher is not getting water at the pressure or temperature it needs.
How do I reset Samsung dishwasher 4E?
Unplug the dishwasher or switch it off at the breaker for 5 minutes, then restore power and restart. A reset clears a stored 4E after a glitch, but the code will return if the underlying fault is still present.
What part do I need for Samsung 4E?
Not always — some 4E errors are caused by user-fixable issues like clogs or unbalanced loads. Try the troubleshooting steps first.
Can I fix Samsung error 4E myself?
Many 4E errors can be fixed DIY if you're comfortable with basic tools. Start with the reset and steps above. If the issue involves electrical components or the code returns after replacing parts, call a professional.
Samsung 4E on specific models
Other Samsung Dishwasher codes
Prevent this problem next time
- Keep the dishwasher supply valve fully open
- Do not kink the inlet hose when pushing the unit in
Sources
Manufacturer meaning
The dishwasher is not getting water at the pressure or temperature it needs.
FixApplianceCode guidance
Open the supply valve and check the inlet hose before replacing a valve.
Source type: Manufacturer
Source: Samsung dishwasher water-supply documentation
Last reviewed: 2026-08-24
Repair guidance is for informational purposes only. We do not guarantee that any fix will resolve your issue, and you assume all risk when following these steps. Terms & disclaimer
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