- Appliances
- Dryers
AC
Samsung AC on a tumble dryer: electronic control problem
Risk level
Medium
Proceed carefully and stop if the check is unclear.
Urgency
Medium
Quick answer
On a Samsung dryer, AC or AE flags an electronic control problem: internal components are not communicating properly. Restart the dryer; if the code stays, Samsung says to contact its service centre.
Safety first
Stop and check this first
- Do not open the dryer to check the boards: they are mains connected and, on models with a heater, some parts get very hot.
Safe checks you can perform
- Code variant
- Restarting the dryer
- Details for the service centre
Leave these tasks to a qualified professional
- Do not attempt this professional task: Board connection and supply check
- Do not attempt this professional task: Board replacement only with proof
- Do not attempt this professional task: Test drying cycle
What a technician must be able to justify
Technician visit
These are the steps they must carry out and show you. Tick them as they work: if steps are skipped, do not accept a part swap.
These are not instructions for opening or handling the equipment yourself. They are the checks that should support a technical conclusion.
Board connection and supply check
What they doThe technician opens the dryer, checks the connectors between panel and main board and measures the board supply with a multimeter against Samsung's specification.
They must show youthe connectors checked and the supply measured against the specification.
In writingwhat was found and repaired, with the date.
Board replacement only with proof
What they doIf connections and supply are fine, the technician identifies which board is not communicating and replaces it with the part for the model.
They must show youthe test that singles out the faulty board.
In writingthe part number of the replaced board and the reason.
Test drying cycle
What they doAfter the repair, the technician runs a full drying cycle and checks neither AC nor any of its variants appear.
They must show youthe full cycle with no code.
In writingthe cycle tested, the result and the date.
Before accepting a part or repair
Nothing has been shown yet. Do not accept a part swap based on the code alone.
Follow these steps
Note: Follow the documented order. An error code identifies the affected system, but it does not prove by itself which part has failed.
Code variant
- Who:
- you, no tools.
- How:
- photograph the display and note exactly what it shows: AC, AE, AE3, AE4, AE5, Et or another variant.
- Result that matters:
- the exact variant, which helps the technician narrow down the failing link.
- If it is one of the AC variants:
- go on to the restart.
- If it is a different code:
- look it up before going further.
- Evidence to keep:
- photo of the display.
Evidence: Samsung Tumble Dryer error codes - what do they mean? · Common Samsung dryer error codes and their meaning
Restarting the dryer
- Who:
- you.
- How:
- switch the dryer off, switch it on and start the cycle again, as Samsung Canada suggests.
- Result that matters:
- whether internal communication recovers.
- If it dries normally and AC does not return:
- one-off fault; note the date.
- If AC reappears:
- the fault persists; book the service centre.
- Evidence to keep:
- note of the restart result.
Evidence: Common Samsung dryer error codes and their meaning
Details for the service centre
- Who:
- you.
- How:
- gather model, serial number, the exact variant and when it appears (at switch on, when pressing a button, mid cycle).
- Result that matters:
- a request that lets the technician bring what is needed.
- If it always appears at switch on:
- say so, as it points to panel communication from start up.
- If it appears mid cycle:
- mention that too, because it changes what to check first.
- Evidence to keep:
- notes with the timing and the code variant.
Evidence: Samsung Tumble Dryer error codes - what do they mean? · Common Samsung dryer error codes and their meaning
Still not solved
If the error persists, stop here. See what the technician must do and show you.
Where this code applies
A code is meaningful only inside the right product and version context.
Primary scope
- System
- Appliances
- Brand
- Samsung
- Product type
- Dryers
Known code variants
- 1 AC
- AC6
- AE
- AE3
- AE4
- AE5
- AE6
- code erreur AC lave-linge Samsung
- codice AC Samsung
- código AC Samsung
- erreur AC Samsung
- error AC lavadora Samsung
- errore AC lavatrice Samsung
- Et
- Fehlercode AC Samsung
- Samsung AC
- Samsung dryer AC
- Samsung dryer error AE
- Samsung secadora AC
- Samsung Waschmaschine Fehler AC
- Samsung washer AC
- Samsung washing machine code AC
- secadora Samsung error AE
What it means
Samsung UK describes AC and AE as an electronic control problem and refers you to its service centre. Samsung Canada details it as a failure in internal component communication, groups it with Et, AE, EEE, AE3, AE4, AE5, E3 and 1 AC, and suggests restarting the dryer before asking for help. Communication can be lost at the main board, the control panel or the wiring between them. The code does not say which, so it is not enough to justify a board replacement without checks first.
Warnings and stop conditions
- Mediumeditorial warning
Do not open the dryer to check the boards: they are mains connected and, on models with a heater, some parts get very hot.
Evidence: Samsung Tumble Dryer error codes - what do they mean?
Symptoms and causes
Probable causes · in order
- Passing communication dropPossible
The dryer works after a restart and AC does not return in later cycles. No repair needed.
Evidence: Common Samsung dryer error codes and their meaning
- Internal wiring or connectorPossible
A loose connector between panel and board cuts communication with healthy parts. The technician checks it before replacing boards.
Evidence: Samsung Tumble Dryer error codes - what do they mean? · Common Samsung dryer error codes and their meaning
- Main board or panel boardPossible
If the wiring is fine and AC persists, one of the boards is not communicating; the technician must identify which.
Evidence: Samsung Tumble Dryer error codes - what do they mean?
Virtual technician
Does AC still appear after these checks?
Answer a few questions to narrow down the likely cause and the safest next action. Guidance only - it never replaces a professional.
Sources and technical references
- 1
Samsung Tumble Dryer error codes - what do they mean?
Samsung · 2025 · official_doc
- 2
Common Samsung dryer error codes and their meaning
Samsung · 2026 · official_doc
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