Indesit dishwasher won't start

If it is completely dead with no lights at all, the fault is often something simple in the power supply path, but it can also be the mains filter, wiring, door switch, or the main control board. It is not a model-specific “common fault” I’d want to guess at without a few checks first.

1. Check the power supply first Make sure the socket is live by trying a kettle or lamp in it. If it’s hard-wired, check the fused spur hasn’t tripped and that the fuse is intact. Also check your consumer unit for a tripped breaker.

2. Check the plug fuse if fitted If it uses a standard UK plug, inspect the 13A fuse. A blown fuse can point to a short, but sometimes it is just the first obvious failure.

3. Look for signs of life Open and close the door firmly and try the on/off button again. A faulty door interlock or switch can stop operation, though this more often leaves some lights present rather than total deadness.

4. Inspect the mains lead and entry point Isolate the appliance from the mains before removing any panels. Check for damage where the cable enters the machine, and inspect the terminal connections, mains filter/interference suppressor, and wiring for burning or loose connectors.

5. Control board possibility If power is definitely reaching the dishwasher but there are still no lights, the main PCB or power supply section on it becomes a likely suspect.

Because this involves live supply parts, I’d recommend a qualified appliance engineer if you’re not confident testing electrics. If you can say whether it is plugged in or hard-wired, and whether power reaches the machine, that would narrow it down.

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