EGO ST1521S PowerLoad Trimmer 15 in 56V Cordless String Trimmer with Automatic Line Feed LINE-NO-FEED Error Fix: Trimmer Line Will Not Advance

Error code LINE-NO-FEED on the EGO ST1521S PowerLoad Trimmer 15 in 56V Cordless String Trimmer with Automatic Line Feed means: Trimmer Line Will Not Advance. The bump feed or automatic line advance does not release new line — the spool may be empty, the line may be fused together from heat, the spool may be wound too tightly or in the wrong direction, or the feed mechanism may be jammed with debris; remove the trimmer head, inspect the spool and line, rewind if needed, and clear any jammed line fragments

The most successful fix is "Replace Feed Mechanism Assembly" (medium difficulty, ~45 minutes). Estimated DIY cost: $20-$30. HomeMD has 2 community-ranked fixes for this error.

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Yes — the top-ranked community fix ("Replace Feed Mechanism Assembly") is rated medium difficulty and takes about 45 minutes. Tools needed: T25 Torx screwdriver, Needle-nose pliers, Flathead screwdriver.

DIY cost: $20-$30. Professional repair typically costs $110-$150. Many homeowners save money by trying the top-ranked community fix first.

The EGO ST1521S PowerLoad Trimmer 15 in 56V Cordless String Trimmer with Automatic Line Feed has 8 other known error codes, including: BAT-1-FLASH (Battery Single LED Flashing), BAT-COLD (Battery Too Cold to Operate), BAT-HOT (Battery Overtemperature Protection), BAT-LEDS-OFF (Battery LEDs Not Lighting Up), BAT-NOT-RECOGNIZED (Battery Not Recognized by Tool), and 3 more.