CHAIN-BRAKE-ON
EGO · EGO POWER+ CS1804 18-Inch 56V Cordless Chainsaw with Chain Tensioning
The chain will not spin because the chain brake is engaged — push the chain brake handle forward (away from you) to disengage it; the chain brake automatically engages during kickback events and must be manually reset; if the brake handle moves freely but the chain still will not spin, the brake band or spring may be worn and need replacement
Error CHAIN-BRAKE-ON on the EGO EGO POWER+ CS1804 18-Inch 56V Cordless Chainsaw with Chain Tensioning means: Chain Brake Engaged. The top-ranked community fix is “Replace Worn Chain Brake Band and Spring” (medium difficulty, ~45 min, DIY cost: $15-$30). 2 community-ranked fixes available below.
Published February 2026 · 2 fixes · chainsaw
Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.
While many chainsaw repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $180-$250.
Bar and Chain Oil Reservoir Empty
Bar Oil Leaking When Stored
Battery Single LED Flashing
Battery Too Cold to Operate
Battery Overtemperature Protection
Battery LEDs Not Lighting Up
Battery Not Recognized by Tool
Battery Self-Maintenance Mode Active
The EGO EGO POWER+ CS1804 18-Inch 56V Cordless Chainsaw with Chain Tensioning has 8 other known error codes:
Error code CHAIN-BRAKE-ON also appears on 1 other EGO model:
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