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Troubleshooting Guide
Motor
Problem
Motor does not start.
Brush sparking when switch
released.
Motor stalls easily
General
Problem
Cut-off wheel hits base or
work surface.
Cut is not square.
Power head won't fully rise or
lower guard won't fully close
Cut-off wheel binds, jams,
burns workpiece.
Rough cuts
Tool vibrates or shakes
Power head hard to pull/push
down
Wiring Diagram
Probable Cause
1. Fuse.
2. Brushes worn.
3. Other.
4. Low voltage
1. Normal automatic brake working
properly.
1. Low voltage
2. Excessive wheel pressure when
cutting
Probable Cause
1. Misalignment
2. Downstop out of adjustment
1. Defective wheel
2. Work not positioned properly
3. Excessive wheel pressure
1. Lubrication needed
2. Part failure
3. Pivot spring or guard spring not
replaced properly after service
4. Dirt sticking to stops
1. Improper operation
2. Dull cut-off wheel
3. Improper cut-off wheel
1. Wheel not round
2. Wheel damaged
3. Wheel loose
4. Other
1. Lube needed
Black
Ground
N.O.
Switch
Black
17
Suggested Corrective Action
- 15 amp time delay fuse, or circuit breaker.
- See "Maintenance" section.
- Get authorized RIDGID service.
- Check power supply for proper voltage and
correct as needed
- None
- Check power supply for proper voltage and
correct as needed
- Pull wheel through work at a slower pace
Suggested Corrective Action
- Get Authorized Service.
- See "Alignment" section
- Replace immediately
- Position work properly
- Lessen wheel pressure
(Don't push down on handle so hard)
- See "Lubrication" section.
- Get Authorized Service.
- Get Authorized Service.
- Inspect/clean stops.
- See "Basic Operation" section.
- Replace wheel.
- Replace with 14" diameter wheel designed
for the material being cut.
- Replace wheel.
- Replace wheel.
- Tighten arbor screw.
- Get Authorized Service.
See - "Lubrication" section.
N.C.
Black
Brush
Armature
Brush
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