GE Dishwasher Error Code LO: Rinse Aid Low Warning
Updated: February 2026
The GE dishwasher error code LO is a maintenance reminder indicating that rinse aid level is low. While this isn't a malfunction, addressing it improves drying performance and prevents spotting.
Importance of Rinse Aid
Rinse aid is a surfactant that reduces water surface tension, causing water to sheet off dishes rather than forming droplets. This dramatically improves drying, especially on plastic items. It also prevents water spots and film on glassware. The LO warning appears when the dispenser reservoir is nearly empty.
Refilling Instructions
- Step 1: Locate the rinse aid dispenser—typically on the inside of the door next to the detergent dispenser. It has a cap marked with a rinse aid symbol.
- Step 2: Open the dispenser cap by turning counterclockwise or lifting, depending on your model.
- Step 3: Pour rinse aid slowly into the reservoir until the level indicator shows full. Don't overfill—stop when the indicator signals full or liquid reaches the opening.
- Step 4: Wipe away any spilled rinse aid from the dispenser area and door. Spills can cause excess foaming during the next cycle.
- Step 5: Close the dispenser cap firmly. It should click into place to ensure proper seal.
- Step 6: The LO warning should disappear automatically during the next cycle once the sensor detects adequate rinse aid.
- Step 7: Adjust the rinse aid dispenser setting if needed. Higher settings release more rinse aid per cycle; lower settings conserve rinse aid but may reduce drying effectiveness.
Refill rinse aid every 1-2 months depending on usage frequency and dispenser setting. If you see persistent spotting or poor drying even with full rinse aid, increase the dispenser setting. If you notice excessive foaming, decrease the setting or reduce detergent amount. The LO warning is helpful maintenance reminder—address it promptly for best results.
What Matters Most: When dealing with GE Dishwasher Error Code LO: Rinse Aid Low Warning, patience and the right information are your best tools. You now have both.
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