failure mode
FM-01: FM-01 TOOL HAS NO ROTATION, IMPACT, OR LED RESPONSE
The tool shows no rotation, impact, or LED response despite a charged and latched battery and normal trigger use.
Diagnostic overview
The tool shows no rotation, impact, or LED response despite a charged and latched battery and normal trigger use.
Likely Root Causes
- Battery is empty, protected, or faulty
- Pack is not latched or contacts are dirty
- Direction lever is centered or trigger is blocked
- Switch, electronics, or motor has failed
- Gear or impact drive is seized
Repair Preview
1.
This is a preview of the troubleshooting guidance included in the full repair manual.
Common Fixes
- Compatible Bosch 18V battery
- PART OR ITEM NAME Trigger, direction selector, switch, or CONTACT / VERIFY FM-01, FM-04 to FM-06, FM-11, or FM-16 proves a control or electrical
Related symptoms
A charged, latched battery and normal trigger command produce no rotation, impacts, or LED.
A charged, latched battery and normal trigger 1. Center the lever, remove battery, and inspect both contact areas.
Included in the full manual
- root cause analysis
- tools needed
- step-by-step repair procedure
- diagrams
- exploded views
- post-repair checks
Public pages show a preview only. Purchase the full manual to download complete repair steps, diagrams, and verification procedures.