Samsung
DMR78AHB/XAA-0000
Dishwasher
Samsung DMR78AHB/XAA-0000 — Error Code CE
Samsung DMR78AHB/XAA-0000 error code CE: Communication error between control boards.
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Last updated:
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 CE guide →
Repair guidance: the symptoms and steps below come from the canonical Samsung Dishwasher CE guide and apply to DMR78AHB/XAA-0000 unless your manual says otherwise.
Symptoms on DMR78AHB/XAA-0000
- ⚠️ Error code on display
- ⚠️ Cycle not completing
- ⚠️ Machine stopping unexpectedly
How to Fix Error CE on DMR78AHB/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 all wiring harness connections to the main control board — reseat any loose connectors
- 3 If the board shows burn marks or damaged components, replacement is needed ($80–$300)
- 4 If the error persists after basic troubleshooting, contact a qualified appliance technician
🛠️ You'll need: Screwdriver set, Multimeter
· Time: 30–90 min
Questions People Also Ask for Error CE
What does Samsung Dishwasher error code CE mean? ▼
Error code CE on a Samsung Dishwasher means: Communication error between control boards. The appliance detected this condition and has stopped or limited operation to prevent further damage.
How do I fix Samsung Dishwasher error code CE? ▼
First, unplug the dishwasher for 60 seconds to reset the control board. If error CE returns, the root cause (communication error between control boards) needs to be addressed — check connections, filters, and hoses before calling a technician.
Is it safe to use my Samsung Dishwasher with error code CE? ▼
It depends on the cause. Most CE 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.