EGO LB6504/LB7654 Blower Problems | Repair Guide

EGO’s LB6504 and LB7654 leaf blowers dominate battery blower reviews for good reason. Their brushless motors deliver gas-equivalent power without the noise and fumes. When problems occur, this guide helps diagnose and resolve common issues.

Table of Contents

• Model Comparison
• Battery Issues
• Motor Problems
• Turbo Boost System
• Physical Issues
• Maintenance Guide

Model Comparison

Model	CFM	MPH	Features
LB6504	650	180	Variable speed, turbo
LB6151	615	170	Entry model
LB7654	765	200	High-power turbo

[NEED REAL IMAGE: EGO blower model number location]

All models share the same troubleshooting approach. Higher numbers indicate more power.

Battery Issues

Blower Won’t Turn On

Check in order:

1. Battery fully seated (push until click)
2. Battery charged (check LED indicators)
3. Trigger lock in OFF position initially

If still no power:

• Remove battery, wait 30 seconds, reinstall
• Clean battery contacts with dry cloth
• Try different EGO 56V battery
• Inspect battery slot for debris

Short Runtime

Expected runtime (varies by speed):

• 5.0Ah: 60-90 minutes (variable), 15-20 minutes (turbo)
• 7.5Ah: 90-120 minutes (variable), 25-30 minutes (turbo)

If runtime is drastically short:

1. Turbo usage - Turbo mode drains battery 4x faster
2. Battery age - Capacity decreases over years
3. Cold weather - Batteries perform worse in cold
4. Battery health - May need replacement

Battery Won’t Charge

Charger troubleshooting:

1. Verify outlet has power
2. Check charger LED - solid red = charging
3. Clean all contacts
4. Battery temperature - won’t charge if too hot/cold

If flashing error:

• Let battery reach room temperature
• Try different outlet
• Try different charger
• Battery may have internal fault

Motor Problems

Motor Won’t Run

Trigger pressed, nothing happens:

1. Verify battery has charge
2. Check trigger lock position
3. Ensure trigger moves freely

If click but no spin:

• Motor overload protection triggered
• Controller fault possible
• Wait 30 seconds and retry

Reduced Power

Blower seems weak compared to new:

1. Battery charge - Lower charge = less power
2. Air intake blocked - Check inlet screen
3. Tube connection - Verify tight fit
4. Motor wear - Bearings may need service after years

Intermittent Operation

Motor cuts in and out:

1. Battery connection - Check for secure fit
2. Trigger mechanism - May be dirty/worn
3. Internal connection - May need service
4. Overheating - Allow cool-down

Unusual Sounds

Normal: Brushless whine increases with speed Abnormal: Grinding, rattling or scraping

For abnormal sounds:

• Check for debris in tube
• Inspect fan for damage
• Motor bearing may be worn
• Stop use and inspect

Turbo Boost System

The turbo button provides maximum power for tough debris.

Turbo Won’t Engage

Press turbo button, no power increase:

1. Battery must have adequate charge (low charge disables turbo)
2. Trigger must be pulled before turbo
3. Button may be worn or dirty
4. Controller may have fault

Turbo Cuts Out

Turbo engages briefly then stops:

1. Thermal limit - Motor getting hot
2. Battery voltage drop - Low charge
3. Overload protection - Normal safety feature

Note: Turbo is designed for short bursts, not continuous use.

Turbo Drains Battery Fast

This is normal. Turbo mode uses maximum current. Use turbo only when needed for stubborn debris.

Physical Issues

Tube Won’t Stay Attached

Tube keeps falling off:

1. Check tube lock mechanism
2. Inspect tube collar for cracks
3. Clean connection points
4. May need replacement tube

Trigger Sticks

Trigger doesn’t return smoothly:

1. Clean trigger area
2. Check for debris
3. Lubricate pivot (dry lubricant)
4. Spring may be weak

Handle Vibration

Excessive vibration through handle:

1. Fan may be damaged or unbalanced
2. Motor bearing worn
3. Debris in blower housing
4. Internal component loose

Strap/Harness Issues

For backpack models or strap-equipped units:

1. Check all connection points
2. Inspect for wear
3. Ensure clips function properly

Maintenance Guide

After Each Use

• Remove battery
• Clear debris from intake
• Wipe down exterior
• Store indoors

Monthly (During Season)

• Inspect tube connections
• Check trigger function
• Clean battery contacts
• Inspect for damage

Annually

• Deep clean entire unit
• Inspect fan through intake
• Check all fasteners
• Test battery capacity

Battery Care

• Store at 30-50% charge
• Keep at room temperature
• Charge every 2-3 months during storage
• Avoid leaving on charger continuously

Troubleshooting Quick Reference

No Power

1. Battery seated properly?
2. Battery charged?
3. Trigger lock off?
4. Try different battery

Weak Output

1. Check battery charge level
2. Inspect air intake
3. Verify tube connected
4. Turbo for tough spots

Overheating Shutoff

1. Allow 10-15 minute cooldown
2. Reduce turbo usage
3. Avoid continuous max speed
4. Check for blockages

Short Runtime

1. Check turbo usage frequency
2. Battery capacity decline
3. Cold weather reduces runtime
4. Consider higher capacity battery

Common Parts

Part	EGO Part #	Cost
Tube	2830802001	$15-25
5.0Ah Battery	BA2800T	$199-249
7.5Ah Battery	BA4200T	$299-349
Charger	CH5500	$149-199

Warranty Information

EGO warranty:

• 5 years - tool
• 3 years - battery

Covered: Manufacturing defects, motor failure, electrical faults Not covered: Normal wear, damage from misuse, commercial use (residential models)

Frequently Asked Questions

Why is EGO considered the best battery blower?

Power output matches many gas blowers, build quality is excellent and the battery ecosystem works across all EGO tools.

How long do EGO batteries last?

Expect 500+ charge cycles. With typical homeowner use, 5-8 years before significant capacity loss.

Can I use it in the rain?

EGO doesn’t recommend wet conditions. While some moisture exposure is okay, avoid heavy rain.

Is the backpack blower worth the extra cost?

For large properties or extended use, yes. Reduced arm fatigue and larger battery capacity make a difference.

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EGO blowers set the standard for battery power equipment. Keep the battery healthy and intake clear for years of reliable leaf-moving performance.