Troubleshooting Guide; Motor; General - RIDGID CM1450 Owner's Manual

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 work-
piece.
Rough cuts
Tool vibrates or
shakes
Power head
hard to pull/
push down
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
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.
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