BLACK+DECKER LD120VA Repair Manual
Comprehensive repair guide for the BLACK+DECKER LD120VA 20V MAX cordless drill/driver. Includes troubleshooting, parts identification, and step-by-step repair instructions for 16 common failure modes.
$39.99
Last updated Jul 31, 2026, 8:19 AM
Manual information
About this manual
Comprehensive repair guide for the BLACK+DECKER LD120VA 20V MAX cordless drill/driver. Includes troubleshooting, parts identification, and step-by-step repair instructions for 16 common failure modes.
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Full Manual Includes
- root cause analysis
- tools needed
- step-by-step repair procedure
- diagrams
- exploded views
- post-repair checks
Table of contents preview
- BLACK+DECKER LD120VA 20V MAX* DRILL/DRIVER
- Black+decker Ld120va
- The Six Things That Matter Most
- What This Model Actually Has
- Indicator And Signal Map
- Model-revision Warning
- The Power And Drilling Path
- Normal Use Sequence
- Normal Behavior That Can Look Like A Fault
- What This Model Does Not Have
- FM-15 TOOL, BATTERY, OR CHARGER OVERHEATS
- Fm-04 Drill Cuts Out While Cool
- Fm-05 Trigger Sticks Or Speed Control Is Unsafe
- Fm-06 Direction Control Will Not Select
- Fm-07 Mode Collar Will Not Set Or Clutch Is Wrong
This preview shows only a portion of the complete repair manual. Purchase to access the full repair documentation, downloadable PDF and detailed repair procedures.
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Common Symptoms
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Failure Modes
Summary
Drill exhibits no motor or chuck response despite a charged, latched battery and normal trigger command.
Full repair guide includes
- Root Cause Analysis
- Required Tools
- Replacement Parts
- Step-by-step Repair Procedure
- Safety Precautions
- Verification Checklist
Summary
Battery will not fully seat, latch, or release from the drill handle.
Full repair guide includes
- Root Cause Analysis
- Required Tools
- Replacement Parts
- Step-by-step Repair Procedure
- Safety Precautions
- Verification Checklist
Summary
Battery pack will not charge; charger light stays off or shows abnormal red pattern.
Full repair guide includes
- Root Cause Analysis
- Required Tools
- Replacement Parts
- Step-by-step Repair Procedure
- Safety Precautions
- Verification Checklist
Summary
Drill cuts out during operation while cool, stopping unexpectedly during no-load or light work.
Full repair guide includes
- Root Cause Analysis
- Required Tools
- Replacement Parts
- Step-by-step Repair Procedure
- Safety Precautions
- Verification Checklist
Summary
Trigger sticks, fails to return, starts unpredictably, or no-load speed surges, causing unsafe speed control.
Full repair guide includes
- Root Cause Analysis
- Required Tools
- Replacement Parts
- Step-by-step Repair Procedure
- Safety Precautions
- Verification Checklist
Full repair guide includes
- Root Cause Analysis
- Required Tools
- Replacement Parts
- Step-by-step Repair Procedure
- Safety Precautions
- Verification Checklist
Full repair guide includes
- Root Cause Analysis
- Required Tools
- Replacement Parts
- Step-by-step Repair Procedure
- Safety Precautions
- Verification Checklist
Summary
The chuck sleeve does not turn sufficiently to open or close the jaws or accept a normal straight bit.
Full repair guide includes
- Root Cause Analysis
- Required Tools
- Replacement Parts
- Step-by-step Repair Procedure
- Safety Precautions
- Verification Checklist
Full repair guide includes
- Root Cause Analysis
- Required Tools
- Replacement Parts
- Step-by-step Repair Procedure
- Safety Precautions
- Verification Checklist
Full repair guide includes
- Root Cause Analysis
- Required Tools
- Replacement Parts
- Step-by-step Repair Procedure
- Safety Precautions
- Verification Checklist
Summary
Drill runs steadily but drills slowly or cannot drive a normal fastener with correct setup.
Full repair guide includes
- Root Cause Analysis
- Required Tools
- Replacement Parts
- Step-by-step Repair Procedure
- Safety Precautions
- Verification Checklist
Summary
Bit binds, motor stalls, or drill twists sharply in hands during work, indicating overload or misalignment.
Full repair guide includes
- Root Cause Analysis
- Required Tools
- Replacement Parts
- Step-by-step Repair Procedure
- Safety Precautions
- Verification Checklist
Summary
With battery removed and no bit installed, the chuck will not turn freely by hand or feels seized.
Full repair guide includes
- Root Cause Analysis
- Required Tools
- Replacement Parts
- Step-by-step Repair Procedure
- Safety Precautions
- Verification Checklist
Full repair guide includes
- Root Cause Analysis
- Required Tools
- Replacement Parts
- Step-by-step Repair Procedure
- Safety Precautions
- Verification Checklist
Full repair guide includes
- Root Cause Analysis
- Required Tools
- Replacement Parts
- Step-by-step Repair Procedure
- Safety Precautions
- Verification Checklist
Summary
Tool, battery, or charger becomes unusually hot or protection repeatedly stops operation.
Full repair guide includes
- Root Cause Analysis
- Required Tools
- Replacement Parts
- Step-by-step Repair Procedure
- Safety Precautions
- Verification Checklist