Samsung
DMR77LHW/XAA-0000
Dishwasher
Samsung DMR77LHW/XAA-0000 — Error Code 4E
Samsung DMR77LHW/XAA-0000 error code 4E: Water not filling — check supply valve.
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Methodology: We combine manufacturer references with recurring service patterns, then review for safe, step-by-step repair guidance.
Sources: Manufacturer fault-code sheets, service manuals, and recurring field-repair patterns.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
Looking for the full diagnosis and repair guide? View complete Samsung Dishwasher error code 4E guide →
Repair guidance: the symptoms and steps below come from the canonical Samsung Dishwasher 4E guide and apply to DMR77LHW/XAA-0000 unless your manual says otherwise.
Symptoms on DMR77LHW/XAA-0000
- ⚠️ Dishwasher not filling
- ⚠️ Dishes coming out dirty
- ⚠️ Machine stops mid-cycle
How to Fix Error 4E on DMR77LHW/XAA-0000
- 1 Unplug the dishwasher for 60 seconds then plug back in — this resets the control board and clears many temporary faults
- 2 Check that the water supply valve behind the machine is fully open
- 3 Inspect the inlet hose screen filter — sediment often blocks it (unscrew hose, clean mesh screen)
- 4 Test the water inlet valve with a multimeter — replace if no continuity ($15–$80 part)
- 5 If the error persists after basic troubleshooting, contact a qualified appliance technician
🛠️ You'll need: Screwdriver set, Pliers, Multimeter
· Time: 20–40 min
Questions People Also Ask for Error 4E
What does Samsung Dishwasher error code 4E mean? ▼
Error code 4E on a Samsung Dishwasher means: Water not filling — check supply valve. The appliance detected this condition and has stopped or limited operation to prevent further damage.
How do I fix Samsung Dishwasher error code 4E? ▼
First, unplug the dishwasher for 60 seconds to reset the control board. If error 4E returns, the root cause (water not filling — check supply valve) needs to be addressed — check connections, filters, and hoses before calling a technician.
Is it safe to use my Samsung Dishwasher with error code 4E? ▼
It depends on the cause. Most 4E errors mean the appliance has stopped itself as a safety measure. Check the 'Should I unplug it?' section above for specific guidance on this error.