This guide explains the Jenn-Air Dishwasher F8-E2 Error: what it means, what causes it, and how to resolve it safely.
Understanding the Jenn-Air Dishwasher F8-E2 Error
Below, our specialists break down everything you need to know about the Jenn-Air Dishwasher F8-E2 Error.
Understanding the Jenn-Air F8-E2 Error
Below, our specialists break down everything you need to know about the Jenn-Air F8-E2 Error.
What F8-E2 means on your Jenn-Air dishwasher
On a Jenn-Air dishwasher, F8-E2 is one of dozens of possible fault codes, and it always points back to the same category of problem. The Jenn-Air F8-E2 error means turbidity Sensor Fault — The F8-E2 error code on Jenn-Air dishwashers means the soil sensor (turbidity sensor) that measures water cleanliness is not functioning correctly, described in the control board’s own diagnostic language.
This fault is typically traced back to grease or mineral film on the optical sensor window prevents accurate readings. This sensor tells the dishwasher when dishes are clean enough to end the wash phase, which is worth knowing before you start troubleshooting.
Rather than leaving you to troubleshoot F8-E2 from scratch, the dishwasher narrows the problem down to a specific circuit or component before you even open a panel. It also helps to note whether the code appeared after a power outage, a recent cycle change, or routine use with no obvious trigger. A short video or photo of the display showing the exact code, taken with a phone, can also help a technician prepare before arriving. It’s also reasonable to check the appliance’s manual or rating plate for the exact model number before calling for service, since parts and control boards vary between production runs. Because the control board coordinates several subsystems at once, a fault in one area can sometimes produce misleading secondary symptoms elsewhere in the appliance. It also helps to note whether the code appeared after a power outage, a recent cycle change, or routine use with no obvious trigger. A short video or photo of the display showing the exact code, taken with a phone, can also help a technician prepare before arriving. It’s also reasonable to check the appliance’s manual or rating plate for the exact model number before calling for service, since parts and control boards vary between production runs. Because the control board coordinates several subsystems at once, a fault in one area can sometimes produce misleading secondary symptoms elsewhere in the appliance.
Symptoms
- The display shows the f8-e2 code (turbidity sensor fault)
- the tub fails to drain, or drains at the wrong point in the cycle
- water fills slower than usual, or not at all, before the fault appears
- the cycle indicator lights flash or cycle repeatedly without progressing
- the dishwasher shuts off abruptly mid-wash with no warning beeps
Common causes
- Dirty or coated turbidity sensor — Grease or mineral film on the optical sensor window prevents accurate readings.
- Failed turbidity sensor — The sensor element itself has failed and needs replacement.
Troubleshooting steps you can try
A handful of safe, no-tools-needed steps can rule out the simplest causes of F8-E2 first:
- Clean the sensor area. Remove the lower spray arm and locate the turbidity sensor near the sump. Wipe the sensor window with a soft cloth and white vinegar. Run an empty cycle with a dishwasher cleaner tablet first to dissolve grease buildup.
- Run a diagnostic cycle. After cleaning, run a normal cycle to see if the error clears and cycle time returns to normal. If the cycle still runs excessively long, the sensor likely needs replacement.
When to call a technician
These signs mean the F8-E2 fault has moved beyond a simple homeowner fix:
- Sensor reads out-of-range values in diagnostic mode
- Sensor connector shows corrosion or damage
- Sump area shows signs of water intrusion around sensor
About clearing the F8-E2 display: Cleaning the sensor and power cycling the dishwasher may clear this error permanently. A F8-E2 that keeps coming back despite these checks is the clearest sign that professional diagnosis is the next step.
Expect the technician handling F8-E2 on your dishwasher to test the circuit first and explain what failed before any part gets ordered or replaced.
Want F8-E2 resolved without more guesswork? Book a repair visit with our team, or check the full error code library for other Jenn-Air codes. Model-specific details are available on Jenn-Air’s website.
