failure mode

FM-01 THE DRILL WILL NOT START WITH A CHARGED KNOWN-GOOD BATTERY

FM-01 THE DRILL WILL NOT START WITH A CHARGED KNOWN-GOOD BATTERY

Diagnostic overview

FM-01 THE DRILL WILL NOT START WITH A CHARGED KNOWN-GOOD BATTERY

Likely Root Causes

  • Direction lever remains in center OFF lock
  • Battery is discharged, damaged, or not fully latched
  • Battery or tool contacts are dirty or obstructed
  • Trigger or electronics module has failed
  • Motor, brushes, or internal lead has failed

Quick Checks

  1. A secure charged pack produces smooth trigger-controlled chuck rotation.

Repair Preview

1.

This is a preview of the troubleshooting guidance included in the full repair manual.

Common Fixes

  • approved charger

Related symptoms

  • The drill gives no motor, chuck, or work-light response with a proven charged battery.

    The drill gives no motor, chuck, or work-light response 1. Center-lock the trigger, remove the battery, and inspect both contact

  • The drill will not start with a charged known-good battery

    FM-01 THE DRILL WILL NOT START WITH A CHARGED FM-14 THE BUILT-IN WORK LIGHT DOES NOT ILLUMINATE

Included in the full manual

  • root cause analysis
  • tools needed
  • step-by-step repair procedure
  • diagrams
  • exploded views
  • post-repair checks

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