RIDGID CM1450 - Troubleshooting Guide; Motor; General

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