TROUBLESHOOTING
PROBLEM
FUZZY GRAIN
TORN GRAIN
ROUGH/RAISED
GRAIN
POOR FEEDING OF
LUMBER
WORKPIECE JAMMED
UNEVEN DEPTH OF
CUT SIDE TO SIDE
BOARD THICKNESS DOESN’T
MATCH DEPTH OF SCALE CUT
CHAIN JUMPING
MECHANICAL/ELECTRICAL
MACHINE WON’T
START/RESTART
REPEATED CIRCUT TRIPPING
RESULTING IN MOTOR
STOPPAGE
POSSIBLE CAUSE
1. Planing wood with high moisture content.
2. Dull knives.
1. Too heavy a cut.
2. Knives cutting against the grain.
3. Dull Knives.
1. Dull knives
2. Knives cutting against the grain.
3. Moisture content too high.
4. Cutterhead bearings damaged.
1. Planer table dirty.
2. Feed roller damaged.
3. Sprocket damaged.
4. Gear box malfunction.
1. Inadequate knife setting height.
1. Knife projection not uniform.
2. Cutterhead not levelled to planer bed.
1. Depth of cut scale incorrect.
1. Sprockets misaligned.
2. Sprockets worn.
1. Not plugged in.
2. Circut breaker/fuse
3. Motor failure.
4. Loose wire.
5. Overload reset has not reset.
6. Motor starter failure.
1. Extension cord too long or too thin.
2. Knives too dull.
3. Low voltage running.
REMEDY
1. Dry the wood.
2. Sharpen knives.
1. Review proper depth of cut.
2. Feed wood with the grain, or turn workpiece
around.
3. Sharpen knives.
1. Sharpen knives.
2. Review proper depth of cut.
3. Dry the wood.
4. Replace bearings.
1. Clean off pitch and residue, and lubricate
planer table.
2. Replace.
3. Replace.
4. Check gear box.
1. Set the knives to the correct height.
1. Adjust knife projection.
2. Level cutterhead to table.
1. Adjust depth of cut scale.
1. Align sprockets.
2. Replace sprockets.
1. Check power source.
2. Check power source.
3. Have motor checked.
4. Have motor checked by qualified electrician.
5. Allow machine to cool down and restart.
6. Have motor starter checked by qualified
electrician.
1. Use a shorter or thicker extension cord.
2. Sharpen or replace knives.
3. Check voltage.
