Washing Machine
9E
The 9E error code on a Samsung washing machine indicates a power supply or voltage problem — specifically, the machine is detecting that the mains supply voltage is outside the safe operating range. It’s a moderately serious fault that will stop your wash cycle, but it’s not always caused by a failed component.
What does this error mean?
Samsung washing machines display 9E (sometimes shown as 9E1 or 9E2) when the control board detects that the incoming mains voltage is too high, too low, or unstable. The machine’s built-in protection circuit deliberately halts operation to prevent damage to the motor, PCB, and heating element. This is a safety feature, not a component failure in itself — though a faulty component can trigger it.
Est. repair cost
£80–£130 for noise filter repair; £150–£280 for PCB replacement (parts + labour, UK rates)
🔍 Likely causes
🛠️ Step-by-step fix
Switch the machine off at the wall and unplug it. Wait 5 minutes, then plug back in directly to a wall socket — not an extension lead — and power on. A temporary voltage dip can trigger 9E and a reset often clears it.
Check the plug and power cable for any visible damage: scorching, fraying, or a loose connection at the plug pins. If the fuse in the plug has blown, replace it with a 13A fuse and retry.
Test the wall socket by plugging in another high-draw appliance (such as a kettle or vacuum). If that device also behaves oddly or the socket looks damaged, the fault is with your home’s electrics — call an electrician, not an appliance engineer.
If you’re on a Smart Meter or recently had electrical work done, check with your energy supplier or electrician that your supply voltage is within the UK standard of 230V ±10%. Persistent under- or over-voltage is a supply issue, not a machine fault.
If the error returns every cycle and steps 1–4 have been ruled out, the noise filter or PCB is the likely culprit. These are internal electrical components — do not attempt to open the machine yourself. Book a qualified appliance engineer at this point.
When calling an engineer, note whether the error appears at the start of the cycle, mid-cycle, or only on certain programmes — this helps them diagnose whether it’s the PCB or the noise filter without unnecessary parts.
📞 When to call a professional
Call an appliance engineer if the 9E error persists after a reset and you’ve confirmed the socket, plug, and power cable are all fine. Tell them the exact error code (9E, 9E1, or 9E2), when in the cycle it appears, and whether you’ve had any recent power surges or electrical work done. Do not attempt to open the machine’s casing to inspect internal components — mains voltage inside a washing machine is dangerous.
⚖️ Repair or replace?
A noise filter replacement typically costs £80–£130 all-in with a UK callout; a PCB replacement is more expensive at £150–£280 depending on the Samsung model. If your machine is under 5 years old, repair is almost always worth it. For machines over 8–10 years old where the PCB has failed, compare repair cost against a new mid-range Samsung (£400–£550) and factor in any remaining reliability.