E01
BEKO Dishwasher
Urgency
✓ Low
Easy to resolve
Repair difficulty
✓ DIY Friendly
No specialist needed
Diagnosis

What this error means

Water inlet fault — the dishwasher is not filling with water correctly

The E01 error on a Beko dishwasher means the machine has failed to detect sufficient water during the fill phase. This is most commonly caused by a closed or partially open water supply tap, a kinked inlet hose, a blocked inlet filter mesh, or low water pressure. A faulty solenoid inlet valve will also produce this code.

⚠️
For information purposes only. Always consult a qualified engineer before attempting repairs. 🔌 Unplug your appliance before any inspection or repair.
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What to try first
Fix time
5–10 minutes
🔧
Difficulty
Anyone
🏠
Appliance
Dishwasher

What you'll need first

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Step-by-step

1
Locate the water supply tap under the sink and confirm it is turned fully anti-clockwise to the open position
Even a slight restriction produces insufficient flow to pass the Beko fill check
2
Trace the inlet hose from the tap to the back of the dishwasher straightening all kinks and bends
Dishwasher inlet hoses are short and stiff and kink easily behind cabinet panels
3
Turn the tap off, disconnect the inlet hose from the machine and clean the small mesh filter inside the inlet port under running water
Limescale in the filter is one of the most common causes in hard water areas
4
Reconnect everything securely, turn the tap fully on and run a Quick Wash to confirm the machine fills correctly
Diagnostic

Symptoms to look for

  1. Dishwasher starts but does not fill with water
  2. Programme stops within the first few minutes with E01 displayed
  3. Machine makes a humming sound but no water is heard entering
  4. Fill phase takes far longer than normal before the wash cycle begins
Step-by-step repair guide

How to fix it

Time 20–35 minutes
Skill Anyone
Confirm the tap is fully open

Find the cold water isolation tap under the sink. Turn it fully anti-clockwise. If uncertain whether it moved, close fully then reopen fully.

Have a towel ready before loosening any hose fittings. Water escapes under pressure immediately when the seal is broken.
Straighten the inlet hose

Open the cabinet and trace the hose from the tap to the back of the dishwasher. Straighten every kink and sharp bend. Ease the dishwasher slightly forward if the hose is pinched between the machine and the cabinet wall.

Dishwasher inlet hoses are notably shorter and stiffer than washing machine hoses. Even a moderate bend near the machine connection can significantly restrict flow and trigger E01.
Clean the inlet filter mesh

Turn the tap off. Place a towel under the hose connection. Unscrew the fitting anti-clockwise. Inside the inlet port is a small mesh filter. Remove with tweezers, rinse and scrub with a toothbrush to clear limescale. Refit firmly.

Never run the dishwasher without the inlet filter. It protects the inlet valve from grit damage.
Test the supply pressure

With the hose disconnected, point it into a bucket and open the tap for 3 seconds. You should see a strong, steady, uninterrupted flow. A weak trickle indicates a property supply pressure problem — Beko dishwashers require a minimum of 0.5 bar.

If the tap flow is strong but E01 persists, check whether the inlet hose has a built-in Aquastop or flow restrictor that may have activated or blocked.
Inspect the inlet valve

With the dishwasher completely unplugged, remove the lower kickplate panel. The inlet valve is where the hose connects internally. Check for corrosion, cracking, or mineral deposits.

Only access with the dishwasher fully unplugged.
Run a test cycle

Reassemble everything and run a Quick Wash. The machine should begin filling within 60 seconds.

If the machine fills slowly but reaches level without faulting, the filter needs a deeper clean with a descaling tablet through an empty 65-degree cycle.
Did this solve your issue?
Escalation

When to call an engineer

  • Water supply pressure confirmed adequate but E01 persists after filter cleaning
  • Inlet valve solenoid reads open circuit on a multimeter — valve has failed
  • Inlet hose Aquastop valve has activated — hose must be replaced
  • Wiring to the inlet valve is burnt, corroded, or the connector is melted
Common questions

Frequently asked questions

Why does E01 appear even though the water is connected?
The flow rate may be too slow rather than absent. A partially closed tap or partially blocked filter restricts flow enough to trigger the fill timeout.
What minimum pressure does a Beko dishwasher need?
Beko specifies a minimum of 0.5 bar. Below this E01 will appear even with a fully open tap and clean filter.
Can limescale cause E01?
Yes — run a dishwasher descaling tablet every 1 to 3 months to prevent this.
Is it safe to use the dishwasher after E01?
No — without adequate water the machine cannot wash, rinse, or safely manage its heating element temperature.

🎯 What is likely causing this fault?

💧
Restricted/closed water supply (tap/filter) 50%
🔧
Inlet valve fault 20%
🧹
Hose kink / installation issue 15%
💧
Low water pressure 10%
📡
Wiring / PCB 5%

⚠️ Estimates based on common faults — not a guaranteed diagnosis. Always verify before ordering parts.

🔩

Parts you may need

Enter your model number to filter results to your exact machine

Usually found on a label inside the door frame or on the back panel of the machine.

No model entered
Part Approx. UK Cost Find it
Water inlet valve £10 - £20
Water inlet valve £10 - £20

ℹ️ Prices are approximate. Always check the part number matches your model before ordering. Not sure of your model number? Find out how to locate it here.

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