symptom
Motor runs but the sanding pad does not orbit
Motor sound is present, but the pad has no visible random-orbit movement.
What this symptom means
Motor sound is present, but the pad has no visible random-orbit movement.
Likely Root Causes
- Pad hub is disconnected or broken
- Eccentric or drive bearing has failed
- Pad screws or platen are damaged
- Internal motor-to-drive connection fault
Quick Checks
- The tool is either restored at the external pad mount or confirmed for service.
Repair Preview
- Set O, remove the battery, and inspect the pad mount for missing screws or a broken hub.
- Rotate the pad by hand and note disconnection, binding, or abnormal free movement.
- Do not open the housing or attempt to couple the internal eccentric.
- If the pad is secured but has no powered orbit, use authorized service.
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
- On/off switch travel is blocked
- 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