Frigidaire Dishwasher Error Code LO

LO is a status alert that appears in the STATUS window at the end of a cycle to indicate the rinse aid dispenser is running low and needs to be refilled. It is not an error or mechanical fault. The dishwasher will continue to operate normally, but drying and spotting performance may decline without adequate rinse aid.

A control reset alone will not permanently clear the LO code because the dispenser level sensor will continue to detect low rinse aid and trigger the alert again at the end of the next cycle. The only way to clear the code reliably is to refill the rinse aid dispenser.

In most cases, the only cost involved is a bottle of liquid rinse aid, which typically runs between $4 and $12 at retail stores. If the LO code persists after refilling and the dispenser sensor turns out to be faulty, sensor or dispenser assembly replacement parts and labor could range from $50 to $150 depending on the model and service rates in your area.

Open the rinse aid dispenser located on the inside of the dishwasher door, typically next to the detergent cup, and fill it with liquid rinse aid until it reaches the full mark. Replace the cap securely and run a new cycle. The LO alert should no longer appear once the sensor detects the refilled reservoir.

Yes, the LO code is informational only and does not indicate a mechanical or electrical problem. The dishwasher is safe to operate with the LO alert displayed. However, running cycles without rinse aid may result in spotty, streaky, or poorly dried dishes, especially in hard water conditions.