Samsung Dishwasher 4E error code
Dishwasher
Samsung dishwasher error code 4E means: Water supply error — the dishwasher is not getting water at the pressure or temperature it needs. Some displays show this as 4C. This guide covers how to reset the code, the most common causes, step-by-step troubleshooting, and replacement parts that typically resolve 4E.
Safe to keep using?
Stop using
No immediate safety hazard detected, but monitor during use.
- • Unplug the appliance before inspection.
- • Do not continue using the appliance until the cause is identified.
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
What it means
Water supply error — the dishwasher is not getting water at the pressure or temperature it needs.
How to fix it
- 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.
FAQ
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.
What does Samsung 4E mean?
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.
Do I need a replacement part for 4E?
Not always — some 4E errors are caused by user-fixable issues like clogs or unbalanced loads. Try the troubleshooting steps first.
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
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