What causes a trimmer line stuck?

A trimmer line stuck can be caused by line, feed, bump, spool issues. We track 43 error codes across 5 brands related to this symptom.

How do I fix a trimmer line stuck?

There are 86 community-ranked fixes for this symptom across 5 brands. The average fix success rate is 88%. Find your specific error code below for step-by-step instructions.

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Trimmer Line Stuck

Bump-feed trimmer won't advance new line? Find fixes for tangled spool, worn bump knob, incorrect line size, and spring issues.

Error Codes

Brands

DIY Fixes

88%

Avg Success

Craftsman

6 codes

All Craftsman codes

MECH-DIES-THROTTLE

Engine Stalls at Full Throttle or When Cutting

🌿 WS210 17 in 25.4 cc 2-Cycle Gas String Trimmer· 2 fixes· 90% success

Rebuild Carburetor and Replace Fuel Lines

MECH-LINE-FEED

Trimmer Line Will Not Advance or Feeds Continuously

🌿 WS210 17 in 25.4 cc 2-Cycle Gas String Trimmer· 2 fixes· 85% success

Disassemble and Replace Bump Knob Spring or Assembly

MECH-OVERHEATING

Engine Overheating — Loss of Power and Potential Seizure

🌿 WS210 17 in 25.4 cc 2-Cycle Gas String Trimmer· 2 fixes· 85% success

Clean Cooling Fins and Adjust Carburetor High-Speed Setting

MECH-PULL-CORD

Pull Cord Breaks or Will Not Retract

🌿 WS210 17 in 25.4 cc 2-Cycle Gas String Trimmer· 2 fixes· 90% success

Replace Recoil Spring and Inspect Engine for Seizure

MECH-VIBRATION

Excessive Vibration — Uncomfortable to Operate

🌿 WS210 17 in 25.4 cc 2-Cycle Gas String Trimmer· 2 fixes· 85% success

Replace Worn Anti-Vibration Mounts and Inspect Engine Mounts

MECH-WONT-START

Trimmer Engine Will Not Start

🌿 WS210 17 in 25.4 cc 2-Cycle Gas String Trimmer· 2 fixes· 90% success

Inspect and Replace Spark Plug and Clean Air Filter

EGO

5 codes

All EGO codes

GUARD-ISSUE

Cutting Guard Broken or Missing

🌿 ST1521S PowerLoad Trimmer 15 in 56V Cordless String Trimmer with Automatic Line Feed· 2 fixes· 90% success

Replace Damaged Cutting Guard Assembly

HEAD-WOBBLE

Trimmer Head Wobbles or Vibrates

🌿 ST1521S PowerLoad Trimmer 15 in 56V Cordless String Trimmer with Automatic Line Feed· 2 fixes· 90% success

Replace Trimmer Head Components and Inspect Drive Shaft

POWERLOAD-FAIL

POWERLOAD Auto-Wind Not Working

🌿 ST1521S PowerLoad Trimmer 15 in 56V Cordless String Trimmer with Automatic Line Feed· 2 fixes· 90% success

Service or Replace the POWERLOAD Clutch Mechanism

LINE-BREAKS

Trimmer Line Breaks Frequently

🌿 ST1521S PowerLoad Trimmer 15 in 56V Cordless String Trimmer with Automatic Line Feed· 2 fixes· 90% success

Replace Trimmer Spool with Genuine EGO Part

LINE-NO-FEED

Trimmer Line Will Not Advance

🌿 ST1521S PowerLoad Trimmer 15 in 56V Cordless String Trimmer with Automatic Line Feed· 2 fixes· 85% success

Replace Feed Mechanism Assembly

Husqvarna

8 codes

All Husqvarna codes

FUEL LEAK

Fuel System Leak

🌿 525LST 25.4 cc 17 in Gas String Trimmer· 2 fixes· 90% success

Replace Carburetor Gaskets and Inspect Carburetor for Leaks

SHAFT BEARING WORN

Drive Shaft Bearing Worn

🌿 525LST 25.4 cc 17 in Gas String Trimmer· 2 fixes· 90% success

Replace Drive Shaft Bearings by Disassembling Lower Shaft Housing

HEAD SPINS AT IDLE

Trimmer Head Spins at Idle

🌿 525LST 25.4 cc 17 in Gas String Trimmer· 2 fixes· 85% success

Replace Clutch Springs to Restore Proper Clutch Function

CLUTCH SLIP

Clutch Slipping Under Load

🌿 525LST 25.4 cc 17 in Gas String Trimmer· 2 fixes· 90% success

Replace Clutch Shoes and Inspect Clutch Drum

HIGH VIBRATION

Excessive Vibration

🌿 525LST 25.4 cc 17 in Gas String Trimmer· 2 fixes· 90% success

Replace Worn Clutch Drum and Drive Shaft Bearings

DIES AT IDLE

Engine Dies at Idle

🌿 525LST 25.4 cc 17 in Gas String Trimmer· 2 fixes· 85% success

Clean or Replace Fuel Filter and Inspect Fuel System

LINE FEED FAIL

Trimmer Line Will Not Advance

🌿 525LST 25.4 cc 17 in Gas String Trimmer· 2 fixes· 90% success

Replace Bump Feed Spring and Bump Knob Assembly

WON'T START

Engine Will Not Start

🌿 525LST 25.4 cc 17 in Gas String Trimmer· 2 fixes· 90% success

Clean or Replace Fuel Filter and Service Carburetor

Ryobi

7 codes

All Ryobi codes

GUARD BROKEN

Line Cutter Guard Broken or Missing

🌿 Ryobi RY40260 40V Expand-It Cordless String Trimmer· 2 fixes· 85% success

Replace the Line Cutter Blade on the Guard

EXCESSIVE VIBRATION

Abnormal Vibration During Trimming

🌿 Ryobi RY40260 40V Expand-It Cordless String Trimmer· 2 fixes· 85% success

Inspect and Replace Worn Bearings or Trimmer Head

MOTOR STALL

Motor Bogs Down in Thick Vegetation

🌿 Ryobi RY40260 40V Expand-It Cordless String Trimmer· 2 fixes· 90% success

Test Motor and Controller; Replace Battery or Motor if Needed

HEAD WON'T SPIN

Motor Runs But Trimmer Head Does Not Rotate

🌿 Ryobi RY40260 40V Expand-It Cordless String Trimmer· 2 fixes· 90% success

Replace the Drive Shaft Coupler or Drive Shaft

LINE BREAKS

Trimmer Line Breaks Frequently

🌿 Ryobi RY40260 40V Expand-It Cordless String Trimmer· 2 fixes· 85% success

Inspect and Replace Trimmer Head Components

LINE WON'T FEED

Bump Feed or Auto-Feed Not Advancing Line

🌿 Ryobi RY40260 40V Expand-It Cordless String Trimmer· 2 fixes· 85% success

Replace the Bump Knob Spring and Clean Line Eyelet

TOOL OVERLOAD

Tool Overload Protection — Motor Overcurrent

🌿 Ryobi RY40260 40V Expand-It Cordless String Trimmer· 2 fixes· 90% success

Test and Replace the Motor Controller Board

STIHL

17 codes

All STIHL codes

E20

Line Feed Motor Failure

🌿 FSA 57 Battery Trimmer· 2 fixes· 90% success

Replace Line Feed Motor

E16

Blade Spindle Worn

🌿 FSA 57 Battery Trimmer· 2 fixes· 90% success

Replace Spindle Assembly

E12

Stuck Clutch

🌿 FSA 57 Battery Trimmer· 2 fixes· 90% success

Replace Clutch Assembly

E09

Trigger Switch Fault

🌿 FSA 57 Battery Trimmer· 2 fixes· 90% success

Replace Trigger Switch Assembly

E08

Line Sensor Fault

🌿 FSA 57 Battery Trimmer· 2 fixes· 90% success

Replace Line Sensor Assembly

E03

Line Feed Malfunction

🌿 FSA 57 Battery Trimmer· 2 fixes· 95% success

Replace Trimmer Head Assembly

E18

Fuel Tap Valve Stuck

🌿 FS 56 RC-E Trimmer· 2 fixes· 90% success

Replace Fuel Tap Valve

E12

Fuel Line Cracked or Leaking

🌿 FS 56 RC-E Trimmer· 2 fixes· 95% success

Inspect and Replace Fuel Lines

E11

Excessive Vibration Detected

🌿 FS 56 RC-E Trimmer· 2 fixes· 85% success

Replace Engine Mounts and Cutting Head Assembly

E09

Line Feed Mechanism Jam

🌿 FS 56 RC-E Trimmer· 2 fixes· 90% success

Replace Line Feed Spring and Spool

E07

Starter Rope Jammed

🌿 FS 56 RC-E Trimmer· 2 fixes· 90% success

Replace Starter Assembly

E16

Carburetor Needle Valve Stuck

🌿 FS 91 R Trimmer· 2 fixes· 85% success

Replace Carburetor Repair Kit

E14

Excessive Vibration

🌿 FS 91 R Trimmer· 2 fixes· 85% success

Replace Damaged Shaft or Cutting Head

E11

Line Feed Mechanism Jam

🌿 FS 91 R Trimmer· 2 fixes· 90% success

Clear Jam and Clean Line Spool

E09

Starter Rope Jam

🌿 FS 91 R Trimmer· 2 fixes· 85% success

Replace Starter Rope and Pulley

E08

Fuel Line Crack or Leak

🌿 FS 91 R Trimmer· 2 fixes· 85% success

Replace Fuel Line

E04

Clutch Slippage

🌿 FS 91 R Trimmer· 2 fixes· 85% success

Replace Clutch Shoes and Drum

Related Symptoms

🌿Trimmer No Start 🔧Trimmer Stalling

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