Troubleshooting Guide - KNOVA KN M-2509RC Manual

TROUBLESHOOTING GUIDE

WARNING
To avoid injury from accidental starting, always turn switch OFF and unplug the tool before
moving, replacing the blade or making adjustments.
TROUBLESHOOTING GUIDE - MOTOR
P R OBLEM PR O BL E M C AU S E
1. Motor brushes not sealed or lightly sticking.
Brake does
not stop
2. Motor brake overheated from use
blade within
of defective or wrong size blade or rapid
6 seconds.
ON/OFF cycling.
3. Arbour bolt loose.
4. Brushes cracked, damaged, etc.
5. Other.
1. Limit switch failure
Motor does
not start.
2. Brush worn.
3. Fuse blown or circuit breaker tripped
on home panel.
4. Other.
1. Brush worn.
Brush spark
when switch
2. Other.
released.
TROUBLESHOOTING GUIDE - SAW OPERATION
P R OBLEM PR O BL E M C AU S E
Blade hits 1. Misalignment.
table.
Angle of cut
1. Miter table unlocked.
not accurate.
2. Sawdust under table.
Can not
adjust mitre.
Cutting arm 1. Loose pivot points.
wobbles.
Cuttin arm
1. Pivot bolt too tight.
will no fully
2. Pivot spring not replaced
raise, or blade
properly after service.
guard won't
fully close.
3. Sawdust build-up.
Blade binds, 1. Improper operation.
jams, burns
2. Dull or warped blade.
wood.
3. Improper blade size.
4. Wood is moving during cut.
1. Saw blade not round / damaged / loose.
Saw vibrates
or shakes.
2. Arbour bolt loose.
SU G GES TED CORREC TIVE ACTI ON
1. Inspect/clean/replace brushes.
See MAINTENANCE section.
2. Use a recommended blade. Let cool down. See
REMOVING OR INSTALLING THE BLADE section.
3. Retighten. See REMOVING OR INSTALLING
THE BLADE section.
4. Replace brushes.
5. Contact Knova Service Centre.
1. Replace limit switch.
2. Replace brushes. See MAINTENANCE section.
3. Verify there is electrical power at the outlet.
4. Contact Knova Service Centre.
1. Replace Brushes. See MAINTENANCE section.
2. Contact Knova Service Centre.
SU G GES TED CORREC TIVE ACTI ON
1. See ADJUSTMENT - Cutting Arm
Travel section.
1. See OPERATION
- Miter Angle Adjustment section.
2. Vacuum or blow out dust. WEAR EYE PROTECTION.
1. See ADJUSTMENT - Cutting Arm
Travel section..
1. Loosen pivot bolt lock nut (see adjustment section).
2. Contact the Servise Center.
3. See MAINTENANCE section.
1. See BASIC SAW OPERATION section.
2. Replace or sharpen blade.
3. Replace with 10 in. diameter blade.
4. Use hold down clamp to secure workpiece to table.
1. Replace blade.
2. Tighten arbour bolt.
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