The DCB115 develops a new loud electrical buzz or a loose-piece rattle that was not present before. There is no smoke, spark, burning odor, abnormal heat, liquid, visible housing crack, or charging interruption.

The DCB115 develops a new loud electrical buzz or a Unplug the charger and remove the battery before evaluating the new

• FM-20: Fm 5 4

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

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