Plumbed in new dishwasher wash light and pre wash light flashing nothing happening ! manual says longer inlet time possible cause -faucets not opened?

It sounds like there may be a problem with your Ariston dishwasher. The flashing lights and the dishwasher's inability to wash could be caused by a number of issues, including a problem with the control panel, a faulty water inlet valve, or a clogged wash pump.
To troubleshoot the issue, you can try the following steps:

1. Check the control panel for any loose or damaged wires. If you find any loose or damaged wires, try to secure them or repair them as needed.
2. Check the water inlet valve to make sure it is not clogged or faulty. The water inlet valve controls the flow of water into the dishwasher. If it is clogged or faulty, it could cause the dishwasher to stop working.
3. Check the wash pump for any blockages. The wash pump is responsible for circulating the water during the wash cycle. If it is clogged, it could prevent the dishwasher from washing properly.

CODES: The Express program light Keeps flashing quickly

MEANINGS: Longer inlet time

Possible Cause: Faucets is not opened, or water intake is restricted, or water pressure is to low.

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Have you tried to turn the mains power to dishwasher off and back on again.

It also possible the inlet water temperature is not at the recommended temperature so it is compensating for heating it to the desired temperature. Please check if your installation guide says you use cold water inlet or hot water inlet.

Try running on one of the eco cycles first to see if the heater is the cause. Eco cycles use lower temperature inlet water.

Hello... Did you check the water inlet pump is turning on to let water go inside the machine? I think if you starts a cycle and feels no water in machine it stops and give error... Hope that will be faulty or before that I'm pretty sure you forgot to open the water inlet valve because you recently repair ?? please check

hi...
The cause of the problem is an insufficient rise in water temperature during a pre-set time period. The heater fault-detection program that was added to the electronic control is designed to shut down the dishwasher if the board-test for proper water temperature rise is not sufficient.
The dishwasher run cycle was modified to add 8 minutes 45 seconds of heat at the beginning of the main wash cycle. If the inlet water at the thermistor is below 110°F, the thermistor looks for a water rise of 4°F. If the inlet water is over 110°F, the test is for an increase of 2°F. If the temperature rise is below specifications, the unit will drain and the clean light will blink seven times.
You will need to identify possible causes of insufficient temperature rise. These causes may include checking the wiring to/failure of the control, the heating element, the thermistor, the inlet valve, door switch, motor or capacitor. Make sure that water is not siphoning during fill. Once the heater fault detection is triggered and the condition resolved, the electronic control must be reset by initiating a special diagnostic cycle. Use the Product Tech Sheet shipped with each dishwasher — you’ll find it behind the kickplates — to identify the correct cycle sequence. The rapid advance cycle will not properly reset the electronic control....

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WERE THE DISHWASHER CONNECTS TO THE WATER, TYPICALLY UNDER THE KITCHEN SINK, TURN THE HANDLE COUNTER CLOCK-WISE.

take base plate off and check for debris in the wash pump

you do not have enough water pressure,, either change the water supply or check the pressure in your house should ba about 70lbs, to work the unit properly,, you could also increase the water supply from 3/8 to 1/2 inch up to the connection of the unit

Here are the eco related error codes for your washer..
1)Light 3 (eco) flashes. Water is present in the flood catching tray at the bottom which usually indicates that there is a leak somewhere. More often than not this is just a pipe with a poor fitting and simply tightening the clip is enough to stop the leak. Our machine had a very slow leak from one pipe (not enough to trigger the alarm) which was fixed in this way. The leak is detected by a small float switch located in the flood catch tray.

Undo 4 screws on the metal plate under the dishwasher 3 at the front 1 at the back, this reveals The pump check the seals are in place on the waste pump.

2) Wash indicator lights 3 + 5 (eco + pre) flashing rapidly. Filter is clogged. Pull out the filter and clean it.
3)Runs for approx. 3 minutes and then stops. Lights 3 + 4 (eco and fast) flash. Probably caused by being plumbed into a hot rather than cold water supply. The incoming water is hotter than required for the wash which causes the machine to cut out. Plumbing the machine into a cold water supply will fix the problem with no apparent long term problems.