Quick diagnosis
What this code is telling you
Most likely trigger
temporary control communication fault
Recommended replacement
Electronic Control / User Interface
Diagnostic path
4 ordered checks
Part fit
Exact model number required
Safety first
Before opening the appliance
Disconnect electrical power before removing panels or handling internal components. Do not bypass safety devices or perform live electrical testing unless you are qualified to do so.
Read the full safety disclaimerRoot cause
Why the control reported this error
The dryer control cannot communicate correctly with one or more internal electronic components because temporary control communication fault. loose internal harness connection and failed user-interface or main control board can produce the same code, so verify the fault before replacing components.
Symptoms
What you may notice
- ✓Dryer stops responding
- ✓Control-panel communication code appears
Possible causes
Check the most likely causes first
- 1
temporary control communication fault
Start here when it matches your symptoms.
- 2
loose internal harness connection
- 3
failed user-interface or main control board
Diagnostic sequence
Work through these checks in order
Stop when you find the fault. Do not perform a step that requires skills or live testing you are not qualified to do.
- 1
Check 1
Turn the dryer off for 60 seconds.
- 2
Check 2
Restore power and restart the cycle.
- 3
Check 3
If the code returns, disconnect power and inspect accessible harness connections only if qualified.
- 4
Check 4
Persistent communication codes generally require service diagnosis.
Replacement part reference
Electronic Control / User Interface
Exact OEM part number
Model number required
Fitment note
The exact OEM part number varies by model and production revision. Verify the complete model number before ordering.
Verify the appliance model before ordering.
Manufacturers can use different parts under the same error code across model families and production revisions.
Where do I find my model number? →FixCodeDB may earn a commission from qualifying purchases made through affiliate links.
Common questions
Quick answers for this fault
What should I check first for AC / AE / Et?
Start with temporary control communication fault. If that checks out, continue through the diagnostic sequence above rather than replacing a part based on the code alone.
Does AC / AE / Et always mean Electronic Control / User Interface is bad?
No. An error code identifies the condition the control detected, not a guaranteed failed part. Confirm the likely causes and wiring first. The exact OEM part number varies by model and production revision. Verify the complete model number before ordering.
When should I stop troubleshooting AC / AE / Et myself?
Stop if the next step requires live electrical testing, sealed-system work, gas or combustion service, or any procedure outside your training. Disconnect electrical power before removing panels or handling internal components. Do not bypass safety devices or perform live electrical testing unless you are qualified to do so.
Manufacturer reference
Verify against the official support source
FixCodeDB summarizes the fault in plain language. For model-specific instructions, confirm the guidance with the manufacturer and your appliance manual.
Samsung Dryer Error Codes — Samsung Support →Was this useful?
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