How do I fix Frigidaire dishwasher error code i30?

What does Frigidaire dishwasher error code i30 mean? What causes it? How can I fix it?

These are some of the questions that I shall be answering in this article.

So, read on to know how you can troubleshoot and fix this Frigidaire dishwasher problem.

Frigidaire dishwasher error code i30 (Frigidaire dishwasher i30 code) – meaning, causes, and how to fix

Meaning: On Frigidaire dishwashers, the i30 (I30) code means that water/foam is overflowing from the dishwasher into the tray area.

After the water goes into the tray (where there is a Styrofoam float), it starts filling up and, in the process, pushes the float up.

And when this occurs, the flood sensor will activate the antiflooding device hence the drain pump might start running continuously.

Causes for Frigidaire dishwasher error code i30

  • Using too much (or the wrong) detergent: Mistakenly using too much detergent can result in the dishwasher being overly-sudsy. And, these bubbles might overflow and find their way into the tray.
  • Water leakage: Water might be leaking from the base pan into the tray. And, this is what is activating the Styrofoam float. This leakage might be due to a blocked/clogged drain pump or spray arm.
  • Faulty water inlet valve: It won’t close hence water will continuously flow into the dishwasher until it overflows.
  • There might be rodents in the tray area: And, they might be pushing up the Styrofoam float. Additionally, the rodents might also chew on some wires which might result in the switch sending the wrong signal to the control board. Or worse still, there might be an accrual of rodent droppings around the switch.
  • The pressure sensor is dirty hence it might not be detecting the correct water level inside the dishwasher. As a result, it won’t signal the control board to close the inlet valve.
  • Bad wire connections: If the wires connecting the float switch to the control board are broken, they might relay the wrong signal to the control board hence the code that you are seeing.
  • Control board problem: Other times, the code could just be due to a glitch in the electronic control board.

Now that we know what might be causing the i30 code, here’s how you can troubleshoot and fix your dishwasher…

Frigidaire dishwasher i30 reset – how to troubleshoot and fix i30 error code in a Frigidaire dishwasher (How do I fix i30 error on my dishwasher?)

Try the following steps to clear the i30 error code:

Remove any water that might be in the tray area

If upon taking a look at the tray area and you note that there is some water in there, you will need to remove it.

Pro tip: Before doing this, cut off the water supply to the dishwasher to stop the water from leaking into the area.

Something else: Turn off the circuit breaker to the unit. You see, there are wires down there and some might be open – this might pose an electrical risk if you have the unit still connected to power.

That being so, below are the different methods that you can use to remove the water:

  • Try to vacuum the water.
  • Use dry towels (or paper towels) to dry out the area.
  • Take out the dishwasher and tilt it to let the water flow out.

Pro tip: For the most part, removing the water might just be a temporary fix – you have not yet fixed the cause of the water flowing into the tray area. So, if you take this route, be sure to also troubleshoot as to what might be causing the water to flow/leak in there – the steps below will guide you along.

Fix the water leakage issue

Start by making sure that the drain pump and the filter are not clogged – it might result in water flowing back into the dishwasher.

So, be sure to clean any clogs that might be inside the drain pump and in the filter.

Next, clean the spray arms and make sure that they are rotating freely.

You see, if the arm is not rotating, it might put undue pressure on one part of the door seal.

Subsequently, this might lead to inundation and leaking in that area hence the water flowing to the tray area.

So, be sure to confirm that the spray arms are rotating freely. If they aren’t, remove any clogs that might be trapped in the jet holes.

Something else: Rearrange any dishes that might be blocking the movement of the spray arm or deflecting the water to one corner of the dishwasher.

Unplug the dishwasher and let it sit for some hours

If you had accidentally used too much detergent (or the wrong detergent) and some foams found their way into the tray, you can unplug the dishwasher and let it sit for some hours.

This way, you will be allowing the foam to disperse and thereby dissipate from the tray.

Pro tip: To avoid an over-sudsy dishwasher, do not use washing up liquid in your dishwasher.

Clean the tray area

Also, check and remove any rodents that might be in the tray area as they could be interfering with the float.

Another thing: If you spot some rodent droppings, be sure to remove them – they might be pushing up the float.

Test the water inlet valve for continuity

If it lacks continuity, it means that it is bad.

And, this might be what is preventing it from closing once enough water has entered into the dishwasher.

Fortunately, you can easily swap out the faulty valve with a good one – order a replacement valve on Amazon.

Clean the pressure sensor

To do so, use some hot water, a soft rug, and mild detergent – gently scrub it to remove the fat layers and food particles that might be on it.

And, if you note that it has broken down, you should consider replacing it – shop for Frigidaire dishwasher pressure sensor.

Fix the wire connections

Carefully inspect the wire connections down there – do any of the wires appear broken?

If yes, be sure to fix them (or replace them) as they might be sending the wrong signal to the control board.

Reset the dishwasher

Other times, the problem is usually due to an electrical glitch in the control board.

And in this case, you can easily fix the dishwasher by resetting it… Unplug it from the power outlet and let it sit for around five minutes before reconnecting the power.

This will allow the electrical charges to flow out of the control board thereby resetting the unit.

Replace the control board

If you have tried all the above but the i30 error code persists, it could be that the control board is bad.

And, this is resulting in the board misinterpreting the signals it’s receiving from the float switch.

In this case, your best bet is to replace it – see current Frigidaire dishwasher control board prices.

Electrolux dishwasher i30 error

When it comes to Electrolux dishwashers, the meaning, causes, and troubleshooting steps for the i30 error code are similar to the ones we have seen above for Frigidaire dishwashers.

This is because Frigidaire dishwashers are made by Electrolux.

So, if your Electrolux dishwasher is showing the i30 error code, follow the above troubleshooting steps to fix it.

Frigidaire dishwasher error code i30 – parting words

If you run into problems with some of the troubleshooting steps (such as locating the pressure sensor), be sure to get an instructional video on YouTube to guide you along.

Good luck!


Symptoms of a bad dishwasher water inlet valve

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