EGO ST1521S PowerLoad Trimmer 15 in 56V Cordless String Trimmer with Automatic Line Feed LINE-BREAKS Error Fix: Trimmer Line Breaks Frequently

Error code LINE-BREAKS on the EGO ST1521S PowerLoad Trimmer 15 in 56V Cordless String Trimmer with Automatic Line Feed means: Trimmer Line Breaks Frequently. The cutting line snaps or wears excessively fast — using line that is too thin for the work, hitting hard objects (fences, rocks, concrete), or using non-standard line shape/material can cause breakage; use the correct diameter line recommended by EGO (typically 0.095"), wind the spool evenly, and avoid contact with hard surfaces

The most successful fix is "Replace Trimmer Spool with Genuine EGO Part" (medium difficulty, ~30 minutes). Estimated DIY cost: $15-$20. 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 Trimmer Spool with Genuine EGO Part") is rated medium difficulty and takes about 30 minutes. Tools needed: Flathead screwdriver, Needle-nose pliers.

DIY cost: $15-$20. Professional repair typically costs $100-$140. 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.