EGO EGO POWER+ LM2135SP 21-Inch 56V Self-Propelled Lawn Mower MOTOR-OVERHEAT Error Fix: Brushless Motor Overheated

Error code MOTOR-OVERHEAT on the EGO EGO POWER+ LM2135SP 21-Inch 56V Self-Propelled Lawn Mower means: Brushless Motor Overheated. The tool shuts down during extended heavy use due to motor thermal protection — the brushless motor has an internal thermal sensor that triggers shutdown to prevent permanent damage; stop using the tool, remove the battery, and allow 15-30 minutes for the motor to cool; this commonly occurs when forcing the tool through material that exceeds its design capacity

The most successful fix is "Inspect and Replace Motor Thermal Sensor or Controller Board" (hard difficulty, ~90 minutes). Estimated DIY cost: $0-$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 ("Inspect and Replace Motor Thermal Sensor or Controller Board") is rated hard difficulty and takes about 90 minutes. Tools needed: T25 Torx screwdriver, Multimeter, Needle-nose pliers.

DIY cost: $0-$20. Professional repair typically costs $150-$250. Many homeowners save money by trying the top-ranked community fix first.

The EGO EGO POWER+ LM2135SP 21-Inch 56V Self-Propelled Lawn Mower 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.

Error code MOTOR-OVERHEAT also appears on 11 other EGO models: CS1401 14 in 56V Brushless Motor Cordless Chainsaw with Rapid Reload Chain Tensioning, EGO POWER+ CS1804 18-Inch 56V Cordless Chainsaw with Chain Tensioning, EGO POWER+ EA0800 56V 8-Inch Cordless Edger, EGO POWER+ HT2411 24-Inch 56V Cordless Hedge Trimmer, EGO POWER+ LB6000 56V 615 CFM Cordless Leaf Blower, EGO POWER+ LB6504 56V 650 CFM Cordless Leaf Blower, and 5 more. The fix may vary by model, so check each model's specific page for tailored repair steps.