symptom
On/off switch travel is blocked
The dust-protected rocker will not travel to one or both marked positions with the battery removed.
What this symptom means
The dust-protected rocker will not travel to one or both marked positions with the battery removed.
Likely Root Causes
- Packed dust around the switch seal
- Bent or impact-damaged rocker
- Top cover pinching the switch
- Internal switch mechanism fault
Quick Checks
- The rocker moves positively into I and O without binding.
Repair Preview
- Remove the battery and dry-brush the perimeter of the I/O rocker.
- - Press each side lightly
- Blow the external gap with clean dry air while wearing eye protection.
- If normal travel is not restored, keep the tool out of service for switch repair.
This is a preview of the troubleshooting guidance included in the full repair manual.
Related failure modes
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.
Related symptoms and error codes
Related models
Common symptoms
- No response when the switch is set to I
- Sander stops and restarts with the switch left at I
- Powered motion continues after the switch is set to O
- Battery will not slide fully onto the tool rails
- Battery seats but will not latch
- Latched battery will not release
- Speed dial will not turn through its range
- Pad speed does not change across the dial range