Frigidaire tu — Replace turbidity sensor and seal

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DISHWASHERS FAULT CODE · FRIGIDAIRE

tu

REPLACE TURBIDITY SENSOR AND SEAL

What code tu means on a Frigidaire dishwashers, what causes it, and which part to check first.

● SEVERITY: MEDIUM
Frigidaire Dishwashers
In short

Frigidaire tu means: Replace turbidity sensor and seal. The documented cause is: Turbidity sensor has failed

01

What tu means

Replace turbidity sensor and seal

WHAT YOU SEE ON THE APPLIANCE

The display shows tu and the machine stops until the fault is cleared.

02

What the technical documentation says

Causes documented in the technical source published by applianceaid.com

DOCUMENTED CAUSE OR CHECK
Turbidity sensor has failed
03

Replacement parts

06

Tools you'll need

04

Before you open anything

!

Unplug the machine and close the water tap before removing any panel. The heating element and the wash water can stay hot long after the cycle ends.

05

What to check, in order

From the quickest check to the one that needs a technician.

1
Unplug the machine and close the water tap.
2
Clear the filter basket at the bottom of the tub.
3
Check the spray arms turn freely and the holes are not blocked.
4
Check the drain hose is not kinked and the sink trap is clear.
5
If the fault returns, the part named above needs testing with a multimeter.
Appliance technician checking wiring and connections with a multimeter
07

Find a specialist

08

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09

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Frequently asked questions

What does tu mean on a Frigidaire?

Replace turbidity sensor and seal The documented cause is: Turbidity sensor has failed

Can I fix tu myself?

It depends on the part involved: Turbidity sensor has failed Clearing a filter or straightening a hose is within reach of anyone; anything behind a panel means mains electricity and water together — that is a job for a technician.

Does Frigidaire use other codes on this appliance?

Yes: we document 4 other codes for Frigidaire on this dishwashers. They are listed at the bottom of this page, each with its own meaning.

Does the same code mean the same thing on other brands?

Often not. The same two characters can point to completely different faults depending on the manufacturer — always check the page for your own brand.

12

Other Frigidaire codes

Written by TroubleAtlas Technical Team · Last verified: · How we verify — methodology · Sources: applianceaid.com
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