CHG-RED-FLASH
EGO · EGO POWER+ LM2150SP Select Cut 21-Inch 56V Self-Propelled Mower with Touch Drive
The charger LED is flashing red, indicating a charging error — the battery may be too hot or too cold to charge, the battery cells may be out of balance, or the battery has an internal fault; remove the battery, let it reach room temperature (50-85°F), clean the contacts, and retry; if the flashing persists across multiple charge attempts, the battery may need replacement
Error CHG-RED-FLASH on the EGO EGO POWER+ LM2150SP Select Cut 21-Inch 56V Self-Propelled Mower with Touch Drive means: Charger Flashing Red Light. The top-ranked community fix is “Test Battery Cells and Replace Faulty Battery” (hard difficulty, ~60 min, DIY cost: $0). 2 community-ranked fixes available below.
Published February 2026 · 2 fixes · lawn mower
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 lawn mower repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $150-$250.
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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
Blade Does Not Engage
Excessive Vibration During Mowing
The EGO EGO POWER+ LM2150SP Select Cut 21-Inch 56V Self-Propelled Mower with Touch Drive has 8 other known error codes:
Error code CHG-RED-FLASH also appears on 11 other EGO models:
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