failure mode
FM-13: FM-13 LED DOES NOT LIGHT OR FLICKERS
The drive operates normally, but the integrated LED work light stays dark, flickers, or cuts in and out with trigger use.
Diagnostic overview
The drive operates normally, but the integrated LED work light stays dark, flickers, or cuts in and out with trigger use.
Likely Root Causes
- LED lens is covered by dust or residue
- Battery or tool contact is intermittent
- Trigger command is too slight to energize the light
- LED, wiring, or control circuit is damaged
- Housing impact has loosened the light assembly
Quick Checks
- LED lights steadily with trigger use and turns off after release.
Repair Preview
1.
This is a preview of the troubleshooting guidance included in the full repair manual.
Related symptoms
The drive operates normally, but the work light stays dark, flickers, or cuts in and out with trigger use.
The drive operates normally, but the work light stays 1. Remove battery and wipe the LED lens and openings dry.
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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