What causes a chain won't turn?

A chain won't turn can be caused by chain, clutch, sprocket, brake issues. We track 100 error codes across 5 brands related to this symptom.

How do I fix a chain won't turn?

There are 200 community-ranked fixes for this symptom across 5 brands. The average fix success rate is 89%. Find your specific error code below for step-by-step instructions.

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Chain Won't Turn

Chainsaw engine runs but chain doesn't move? Find fixes for clutch, sprocket, chain brake, and bar issues.

100

Error Codes

Brands

200

DIY Fixes

89%

Avg Success

Craftsman

8 codes

All Craftsman codes

MECH-CHAIN-BRAKE

Chain Brake Malfunction — Will Not Engage or Release

🪵 S180 42cc Chainsaw· 2 fixes· 90% success

Replace the Brake Band and Brake Spring Assembly

MECH-CHAIN-WONT-SPIN

Chain Does Not Rotate When Throttle Is Applied

🪵 S180 42cc Chainsaw· 2 fixes· 90% success

Replace Clutch Assembly and Drive Sprocket

MECH-DIES-UNDER-LOAD

Engine Dies or Bogs Down When Cutting

🪵 S180 42cc Chainsaw· 2 fixes· 85% success

Adjust Carburetor and Inspect Fuel System

MECH-FUEL-LEAK

Fuel Leaking from Chainsaw — Fire Hazard

🪵 S180 42cc Chainsaw· 2 fixes· 90% success

Replace Fuel Lines and Carburetor Gaskets

MECH-OILER

Chain Oiler Not Working — Bar and Chain Overheating

🪵 S180 42cc Chainsaw· 2 fixes· 85% success

Replace Oil Pump and Inspect Oil Line

MECH-PULL-CORD

Starter Rope Breaks or Will Not Retract

🪵 S180 42cc Chainsaw· 2 fixes· 90% success

Replace Recoil Spring and Inspect Starter Assembly

MECH-VIBRATION

Excessive Vibration — Anti-Vibration System Issues

🪵 S180 42cc Chainsaw· 2 fixes· 90% success

Replace Worn Anti-Vibration Mounts

MECH-WONT-START

Chainsaw Engine Will Not Start

🪵 S180 42cc Chainsaw· 2 fixes· 85% success

Clean or Replace Spark Plug and Air Filter

EGO

16 codes

All EGO codes

MOTOR-STALL-CS

Chainsaw Motor Stalls Under Load

🪵 EGO POWER+ CS1804 18-Inch 56V Cordless Chainsaw with Chain Tensioning· 2 fixes· 85% success

Replace Chain and Inspect Battery Health

CHAIN-STUCK

Chain Jammed or Pinched in Cut

🪵 EGO POWER+ CS1804 18-Inch 56V Cordless Chainsaw with Chain Tensioning· 2 fixes· 85% success

Replace Damaged Chain and Inspect Bar Alignment

KICKBACK

Frequent Kickback Events

🪵 EGO POWER+ CS1804 18-Inch 56V Cordless Chainsaw with Chain Tensioning· 2 fixes· 90% success

Replace Kickback Bar and Install Low-Kickback Chain

BAR-OIL-LEAK

Bar Oil Leaking When Stored

🪵 EGO POWER+ CS1804 18-Inch 56V Cordless Chainsaw with Chain Tensioning· 2 fixes· 85% success

Replace Oil Cap Seal or Oil Line to Stop Excessive Oil Leakage

BAR-OIL-EMPTY

Bar and Chain Oil Reservoir Empty

🪵 EGO POWER+ CS1804 18-Inch 56V Cordless Chainsaw with Chain Tensioning· 2 fixes· 90% success

Replace Bar Oil Pump or Oil Line to Fix Lubrication Failure

CHAIN-DULL

Chain Cutting Poorly or Making Sawdust

🪵 EGO POWER+ CS1804 18-Inch 56V Cordless Chainsaw with Chain Tensioning· 2 fixes· 90% success

Replace the Chainsaw Chain and Adjust Depth Gauges

CHAIN-LOOSE

Chain Too Loose on Bar

🪵 EGO POWER+ CS1804 18-Inch 56V Cordless Chainsaw with Chain Tensioning· 2 fixes· 90% success

Replace Chain Tensioning Assembly and Inspect Guide Bar

CHAIN-BRAKE-ON

Chain Brake Engaged

🪵 EGO POWER+ CS1804 18-Inch 56V Cordless Chainsaw with Chain Tensioning· 2 fixes· 90% success

Replace Worn Chain Brake Band and Spring

MOTOR-STALL-CS

Chainsaw Motor Stalls Under Load

🪵 CS1401 14 in 56V Brushless Motor Cordless Chainsaw with Rapid Reload Chain Tensioning· 2 fixes· 85% success

Replace Chain and Inspect Battery Health

CHAIN-STUCK

Chain Jammed or Pinched in Cut

🪵 CS1401 14 in 56V Brushless Motor Cordless Chainsaw with Rapid Reload Chain Tensioning· 2 fixes· 85% success

Replace Damaged Chain and Inspect Bar Alignment

KICKBACK

Frequent Kickback Events

🪵 CS1401 14 in 56V Brushless Motor Cordless Chainsaw with Rapid Reload Chain Tensioning· 2 fixes· 90% success

Replace Kickback Bar and Install Low-Kickback Chain

BAR-OIL-LEAK

Bar Oil Leaking When Stored

🪵 CS1401 14 in 56V Brushless Motor Cordless Chainsaw with Rapid Reload Chain Tensioning· 2 fixes· 85% success

Replace Oil Cap Seal or Oil Line to Stop Excessive Oil Leakage

BAR-OIL-EMPTY

Bar and Chain Oil Reservoir Empty

🪵 CS1401 14 in 56V Brushless Motor Cordless Chainsaw with Rapid Reload Chain Tensioning· 2 fixes· 90% success

Replace Bar Oil Pump or Oil Line to Fix Lubrication Failure

CHAIN-DULL

Chain Cutting Poorly or Making Sawdust

🪵 CS1401 14 in 56V Brushless Motor Cordless Chainsaw with Rapid Reload Chain Tensioning· 2 fixes· 90% success

Replace the Chainsaw Chain and Adjust Depth Gauges

CHAIN-LOOSE

Chain Too Loose on Bar

🪵 CS1401 14 in 56V Brushless Motor Cordless Chainsaw with Rapid Reload Chain Tensioning· 2 fixes· 90% success

Replace Chain Tensioning Assembly and Inspect Guide Bar

CHAIN-BRAKE-ON

Chain Brake Engaged

🪵 CS1401 14 in 56V Brushless Motor Cordless Chainsaw with Rapid Reload Chain Tensioning· 2 fixes· 90% success

Replace Worn Chain Brake Band and Spring

Husqvarna

26 codes

All Husqvarna codes

HARD TO PULL

Starter Cord Very Hard to Pull

🪵 460 Rancher 24 in 60cc Gas Chainsaw· 2 fixes· 90% success

Test and Replace Decompression Valve or Inspect for Seized Piston

CHAIN FLIES OFF

Chain Comes Off Guide Bar

🪵 460 Rancher 24 in 60cc Gas Chainsaw· 2 fixes· 90% success

Inspect and Replace Worn Drive Sprocket and Guide Bar

OVERHEATING

Engine Overheating

🪵 460 Rancher 24 in 60cc Gas Chainsaw· 2 fixes· 90% success

Replace Muffler and Spark Arrestor Screen

LOW COMPRESSION

Engine Compression Loss

🪵 460 Rancher 24 in 60cc Gas Chainsaw· 2 fixes· 90% success

Replace Piston, Rings, and Cylinder or Service Decompression Valve

FUEL LEAK

Fuel System Leak

🪵 460 Rancher 24 in 60cc Gas Chainsaw· 2 fixes· 85% success

Replace Fuel Lines and Primer Bulb

AIR FILTER

Air Filter Clogged or Restricted

🪵 460 Rancher 24 in 60cc Gas Chainsaw· 2 fixes· 90% success

Replace the Air Filter with Genuine Husqvarna Part

BRAKE STUCK

Chain Brake Will Not Release

🪵 460 Rancher 24 in 60cc Gas Chainsaw· 2 fixes· 90% success

Disassemble and Replace Worn Chain Brake Components

BAR DAMAGE

Guide Bar Bent or Worn

🪵 460 Rancher 24 in 60cc Gas Chainsaw· 2 fixes· 90% success

Replace the Guide Bar Due to Bend or Excessive Wear

HIGH VIBRATION

Excessive Vibration During Operation

🪵 460 Rancher 24 in 60cc Gas Chainsaw· 2 fixes· 90% success

Replace Damaged Anti-Vibration Mounts and Inspect Sprocket

DIES AT IDLE

Engine Dies When Idling

🪵 460 Rancher 24 in 60cc Gas Chainsaw· 2 fixes· 90% success

Clean and Rebuild the Carburetor

OILER FAIL

Automatic Chain Oiler Not Working

🪵 460 Rancher 24 in 60cc Gas Chainsaw· 2 fixes· 90% success

Replace Oil Pump Assembly

CHAIN STOPS

Chain Stops Under Load

🪵 460 Rancher 24 in 60cc Gas Chainsaw· 2 fixes· 85% success

Inspect and Replace Worn Clutch Shoes and Clean Air Filter

WON'T START

Engine Will Not Start

🪵 460 Rancher 24 in 60cc Gas Chainsaw· 2 fixes· 90% success

Clean or Rebuild Carburetor and Replace Fuel Filter

HARD TO PULL

Starter Cord Very Hard to Pull

🪵 455 Rancher 55.5 cc 3.5 HP Gas Chainsaw with X-Torq Engine and Air Injection· 2 fixes· 90% success

Test and Replace Decompression Valve or Inspect for Seized Piston

CHAIN FLIES OFF

Chain Comes Off Guide Bar

🪵 455 Rancher 55.5 cc 3.5 HP Gas Chainsaw with X-Torq Engine and Air Injection· 2 fixes· 90% success

Inspect and Replace Worn Drive Sprocket and Guide Bar

OVERHEATING

Engine Overheating

🪵 455 Rancher 55.5 cc 3.5 HP Gas Chainsaw with X-Torq Engine and Air Injection· 2 fixes· 90% success

Replace Muffler and Spark Arrestor Screen

LOW COMPRESSION

Engine Compression Loss

🪵 455 Rancher 55.5 cc 3.5 HP Gas Chainsaw with X-Torq Engine and Air Injection· 2 fixes· 90% success

Replace Piston, Rings, and Cylinder or Service Decompression Valve

FUEL LEAK

Fuel System Leak

🪵 455 Rancher 55.5 cc 3.5 HP Gas Chainsaw with X-Torq Engine and Air Injection· 2 fixes· 85% success

Replace Fuel Lines and Primer Bulb

AIR FILTER

Air Filter Clogged or Restricted

🪵 455 Rancher 55.5 cc 3.5 HP Gas Chainsaw with X-Torq Engine and Air Injection· 2 fixes· 90% success

Replace the Air Filter with Genuine Husqvarna Part

BRAKE STUCK

Chain Brake Will Not Release

🪵 455 Rancher 55.5 cc 3.5 HP Gas Chainsaw with X-Torq Engine and Air Injection· 2 fixes· 90% success

Disassemble and Replace Worn Chain Brake Components

BAR DAMAGE

Guide Bar Bent or Worn

🪵 455 Rancher 55.5 cc 3.5 HP Gas Chainsaw with X-Torq Engine and Air Injection· 2 fixes· 90% success

Replace the Guide Bar Due to Bend or Excessive Wear

HIGH VIBRATION

Excessive Vibration During Operation

🪵 455 Rancher 55.5 cc 3.5 HP Gas Chainsaw with X-Torq Engine and Air Injection· 2 fixes· 90% success

Replace Damaged Anti-Vibration Mounts and Inspect Sprocket

DIES AT IDLE

Engine Dies When Idling

🪵 455 Rancher 55.5 cc 3.5 HP Gas Chainsaw with X-Torq Engine and Air Injection· 2 fixes· 90% success

Clean and Rebuild the Carburetor

OILER FAIL

Automatic Chain Oiler Not Working

🪵 455 Rancher 55.5 cc 3.5 HP Gas Chainsaw with X-Torq Engine and Air Injection· 2 fixes· 90% success

Replace Oil Pump Assembly

CHAIN STOPS

Chain Stops Under Load

🪵 455 Rancher 55.5 cc 3.5 HP Gas Chainsaw with X-Torq Engine and Air Injection· 2 fixes· 85% success

Inspect and Replace Worn Clutch Shoes and Clean Air Filter

WON'T START

Engine Will Not Start

🪵 455 Rancher 55.5 cc 3.5 HP Gas Chainsaw with X-Torq Engine and Air Injection· 2 fixes· 90% success

Clean or Rebuild Carburetor and Replace Fuel Filter

Ryobi

10 codes

All Ryobi codes

CHAIN STRETCH

Chain Has Stretched Beyond Adjustment Range

🪵 Ryobi RY40550 40V HP Brushless 14 in. Chainsaw· 2 fixes· 90% success

Replace the Chain Using a Chain Breaker Tool and Inspect the Sprocket

POOR CUT

Slow or Rough Cutting Performance

🪵 Ryobi RY40550 40V HP Brushless 14 in. Chainsaw· 2 fixes· 85% success

Replace Chain and Inspect Guide Bar for Wear

KICKBACK

Guide Bar Kickback During Cutting

🪵 Ryobi RY40550 40V HP Brushless 14 in. Chainsaw· 2 fixes· 90% success

Inspect and Service the Inertia-Activated Chain Brake System

CHAIN BRAKE STUCK

Chain Brake Won't Release

🪵 Ryobi RY40550 40V HP Brushless 14 in. Chainsaw· 2 fixes· 90% success

Inspect and Replace Chain Brake Band Assembly

NO BAR OIL

Automatic Oiler Not Delivering Oil to Bar and Chain

🪵 Ryobi RY40550 40V HP Brushless 14 in. Chainsaw· 2 fixes· 85% success

Test and Replace Oil Pump Assembly

CHAIN LOOSE

Chain Comes Off the Guide Bar

🪵 Ryobi RY40550 40V HP Brushless 14 in. Chainsaw· 2 fixes· 85% success

Replace Worn Guide Bar or Chain Drive Links

CHAIN WON'T MOVE

Chain Not Moving When Trigger Is Pulled

🪵 Ryobi RY40550 40V HP Brushless 14 in. Chainsaw· 2 fixes· 85% success

Inspect and Replace Drive Sprocket or Clutch Assembly

TOOL OVERHEAT

Tool Thermal Shutdown — Motor Overheated

🪵 Ryobi RY40550 40V HP Brushless 14 in. Chainsaw· 2 fixes· 90% success

Inspect and Replace Motor Bearings

TOOL OVERLOAD

Tool Overload Protection — Motor Overcurrent

🪵 Ryobi RY40550 40V HP Brushless 14 in. Chainsaw· 2 fixes· 90% success

Test and Replace Motor or Controller Components

BATT OVERHEAT

Battery Over-Temperature — Tool Shuts Down

🪵 Ryobi RY40550 40V HP Brushless 14 in. Chainsaw· 2 fixes· 90% success

Replace Degraded Battery Pack to Prevent Overheating

STIHL

40 codes

All STIHL codes

E20

Electronic Brake Fault

🪵 MSA 220 C-B Battery· 2 fixes· 85% success

Replace Electronic Brake Module

E19

Battery Communication Error

🪵 MSA 220 C-B Battery· 2 fixes· 85% success

Clean Battery and Chainsaw Contacts

E18

Chain Brake Engagement Sensor Fault

🪵 MSA 220 C-B Battery· 2 fixes· 85% success

Inspect Chain Brake Sensor and Wiring

E17

Software Firmware Corruption

🪵 MSA 220 C-B Battery· 2 fixes· 95% success

Professional Firmware Update

E16

Chain Lubrication Fault

🪵 MSA 220 C-B Battery· 2 fixes· 90% success

Check and Refill Chain Oil

E15

Low Battery Voltage

🪵 MSA 220 C-B Battery· 2 fixes· 95% success

Replace Battery Pack

E11

Overvoltage Protection Triggered

🪵 MSA 220 C-B Battery· 2 fixes· 90% success

Check and Replace Charger

E10

Battery Cell Imbalance

🪵 MSA 220 C-B Battery· 2 fixes· 95% success

Replace Battery Pack

E08

Charging Circuit Failure

🪵 MSA 220 C-B Battery· 2 fixes· 90% success

Check and Replace Charging Cable

E07

Chain Tension Sensor Fault

🪵 MSA 220 C-B Battery· 2 fixes· 90% success

Adjust Chain Tension and Inspect Sensor

E05

Throttle Trigger Sensor Error

🪵 MSA 220 C-B Battery· 2 fixes· 85% success

Replace Throttle Trigger Sensor

E04

Battery Not Detected

🪵 MSA 220 C-B Battery· 2 fixes· 85% success

Clean Battery Contacts

E03

Chain Brake Fault

🪵 MSA 220 C-B Battery· 2 fixes· 90% success

Clean and Inspect Chain Brake

E02

Motor Overload

🪵 MSA 220 C-B Battery· 2 fixes· 85% success

Reduce Cutting Load and Clear Chain

E01

Battery Overheat

🪵 MSA 220 C-B Battery· 2 fixes· 95% success

Replace Battery Pack

E20

Throttle Lock Malfunction

🪵 MS 180 C-BE Chainsaw· 2 fixes· 90% success

Replace Throttle Lock Assembly

E19

Chain Brake Stuck Engaged

🪵 MS 180 C-BE Chainsaw· 2 fixes· 90% success

Replace Chain Brake Assembly

E18

Oil Seal Leak

🪵 MS 180 C-BE Chainsaw· 2 fixes· 90% success

Replace Oil Seal

E14

Chain Oil Pump Failure

🪵 MS 180 C-BE Chainsaw· 2 fixes· 90% success

Replace Chain Oil Pump Assembly

E13

Excessive Vibration Detected

🪵 MS 180 C-BE Chainsaw· 2 fixes· 85% success

Replace Vibration Dampeners

E12

Ignition Coil Open Circuit

🪵 MS 180 C-BE Chainsaw· 2 fixes· 90% success

Replace Ignition Coil

E10

Spark Plug Fault

🪵 MS 180 C-BE Chainsaw· 2 fixes· 90% success

Replace Spark Plug

E08

Clutch Failure Detected

🪵 MS 180 C-BE Chainsaw· 2 fixes· 90% success

Replace Clutch Assembly

E07

Chain Tension Sensor Failure

🪵 MS 180 C-BE Chainsaw· 2 fixes· 85% success

Replace Chain Tension Sensor Assembly

E06

Starter Motor Failure

🪵 MS 180 C-BE Chainsaw· 2 fixes· 95% success

Replace Starter Motor Assembly

E04

Overheating Protection Triggered

🪵 MS 180 C-BE Chainsaw· 2 fixes· 90% success

Replace Thermal Sensor

E03

Chain Brake Sensor Fault

🪵 MS 180 C-BE Chainsaw· 2 fixes· 90% success

Replace Chain Brake Sensor Assembly

E02

Carburetor Malfunction

🪵 MS 180 C-BE Chainsaw· 2 fixes· 95% success

Replace Carburetor Assembly

E01

Ignition Module Fault

🪵 MS 180 C-BE Chainsaw· 2 fixes· 90% success

Replace Ignition Module

E20

Throttle Lockout Malfunction

🪵 MS 362 C-M Chainsaw· 2 fixes· 90% success

Replace Throttle Lockout Assembly

E19

Clutch Spring Failure

🪵 MS 362 C-M Chainsaw· 2 fixes· 95% success

Replace Complete Clutch Assembly

E18

Chain Dullness Detected

🪵 MS 362 C-M Chainsaw· 2 fixes· 95% success

Replace Chain

E17

Bar Groove Clog

🪵 MS 362 C-M Chainsaw· 2 fixes· 95% success

Clean Guide Bar Groove

E12

Chain Tension Sensor Fault

🪵 MS 362 C-M Chainsaw· 2 fixes· 90% success

Replace Chain Tension Sensor

E11

Throttle Trigger Fault

🪵 MS 362 C-M Chainsaw· 2 fixes· 90% success

Replace Throttle Trigger Assembly

E09

Chain Oil Pump Failure

🪵 MS 362 C-M Chainsaw· 2 fixes· 90% success

Replace Chain Oil Pump

E08

Clutch Slippage

🪵 MS 362 C-M Chainsaw· 2 fixes· 90% success

Replace Clutch Shoes and Drum

E07

Overheating Detected

🪵 MS 362 C-M Chainsaw· 2 fixes· 90% success

Clean Cooling Fins and Check Lubrication

E05

Starter Rope Jam

🪵 MS 362 C-M Chainsaw· 2 fixes· 85% success

Replace Starter Rewind Spring and Rope

E04

Chain Brake Engaged Fault

🪵 MS 362 C-M Chainsaw· 2 fixes· 90% success

Release and Inspect Chain Brake

Related Symptoms

🪚Chainsaw No Start 🪚Chainsaw Bogging

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