What this error means
Water inlet or door fault — the dishwasher has not filled correctly or the door is not secured
The F01 error on an Indesit dishwasher indicates either that the machine has not detected sufficient water entering during the fill phase, or that the door has not been confirmed as securely closed before filling began. These two conditions share the same code because both prevent the cycle from starting safely. Common causes are a closed water tap, a kinked inlet hose, a blocked inlet filter, a faulty inlet valve, or a door that has not been pushed fully shut.
What you'll need first
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Step-by-step
Symptoms to look for
- Dishwasher will not start a programme at all
- Machine clicks as if to start then immediately displays F01
- Programme starts but stops very early with F01 shown
- Door appears closed but the machine will not begin filling
How to fix it
Open the door fully and close it again firmly, pushing on the outer plastic frame until you hear a clear click. The door must sit completely flush with the front of the machine.
Open the door and check the door seal for any items trapped in the rubber gasket around the door opening — a cloth edge, a piece of cutlery, or food debris can prevent the door from sitting flush. Also examine the door latch hook and the catch plate on the machine body for cracks or misalignment.
Turn the tap off. Place a towel under the hose connection at the back of the machine. Unscrew the hose fitting anti-clockwise. Inside the inlet port is a small flat or cylindrical mesh filter. Remove with tweezers, rinse under running water and scrub with a toothbrush to remove limescale. Refit firmly.
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 supply pressure problem at the property.
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 around the valve body.
Reassemble and run a Quick Wash. The machine should begin filling within 60 seconds of the door being confirmed closed and the programme started.
When to call an engineer
- Inlet valve solenoid reads open circuit on a multimeter — valve has failed
- Door interlock switch fails a continuity test — switch must be replaced
- Door latch hook is cracked or broken — latch assembly must be replaced
- Water supply pressure confirmed adequate but F01 persists after filter cleaning
Frequently asked questions
Why does F01 cover both water inlet and door faults?
How do I know if F01 is a door fault or a water inlet fault?
Can limescale in the inlet filter cause F01?
Is it safe to use the dishwasher after F01?
🎯 What is likely causing this fault?
⚠️ 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.
| Part | Approx. UK Cost | Find it |
|---|---|---|
| Door Interlock | £10 - £20 | 🛒 Amazon UK → |
| Door Interlock | £10 - £20 | 🏷️ eBay UK → |
| Inlet Valve | £10 - £20 | 🛒 Amazon UK → |
| Inlet Valve | £10 - £20 | 🏷️ eBay UK → |
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.