Dewalt DHS790AT2 Instruction Manual - Page 23

Troubleshooting Guide

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English TROUBLE! Saw will not start Saw makes unsatisfactory cuts Blade does not come up to speed Machine vibrates excessively Does not make accurate miter cuts Material pinches blade CUTLINE™ worklight flashing Troubleshooting Guide BE SURE TO FOLLOW SAFETY RULES AND INSTRUCTIONS WHAT'S WRONG? WHAT TO DO 1. Battery or power supply not installed 1. Install battery or power supply. Refer to Installing and Removing the Battery Packs or Installing and Removing DeWALT Corded Power Supply. 2. Battery or power supply not fully inserted 2. Check that battery or power supply are fully latched. Check AC adapter plug in the motor housing for debris. Refer to DeWALT Corded Power Supply Cleaning Instructions. 3. Batteries not charged 3. Charge batteries. Refer to Charging Procedure. 4. Power supply not plugged in 4. Plug in saw. 5. Cord damaged 5. Have cord replaced by authorized service center. 6. Fuse blown or breaker tripped 6. Replace fuse or reset circuit breaker. 7. Saw overheated 7. Wait several minutes for saw to cool. 8. Batteries overheated 8. Wait several minutes for batteries to cool. 1. Dull blade 1. Replace blade. Refer to Changing or Installing a New Saw Blade. 2. Blade mounted backwards 2. Turn blade around. Refer to Changing or Installing a New Saw Blade. 3. Gum or pitch on blade 3. Remove blade and clean with turpentine and coarse steel wool or household oven cleaner. 4. Incorrect blade for work being done 4. Change the blade type. Refer to Saw Blades under Accessories. 1. Extension cord too light or too long 1. Replace with adequate size cord. Refer to Use Proper Extension Cord under Important Safety Instructions. 2. Low house current 1. Saw not mounted securely to stand or work bench 2. Stand or bench on uneven floor 3. Damaged saw blade 1. Miter scale not adjusted correctly 2. Miter pointer not adjusted correctly 3. Workpiece is not perpendicular to table 4. Workpiece moving 1. Cutting bowed material 1. Battery low on charge 2. Battery hot 2. Contact your electric company. 1. T ighten all mounting hardware. Refer to Bench Mounting. 2. Reposition on flat level surface. Refer to Familiarization. 3. Replace blade. Refer to Changing or Installing a New Saw Blade. 1. Check and adjust. Refer to Miter Scale Adjustment under Adjustments. 2. Check and adjust. Refer to Miter Pointer Adjustment under Adjustments. 3. Check and adjust fence. Refer to Fence Adjustment under Adjustments. 4. Clamp workpiece securely to fence or glue 120 grit sandpaper to fence with rubber cement. 1. Refer to Bowed Material under Special Cuts. 1. Charge batteries. Refer to Charging the Battery. 2. Wait several minutes for batteries to cool. 21

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English
21
Troubleshooting Guide
BE SURE TO FOLLOW SAFETY RULES AND INSTRUCTIONS
TROUBLE!
WHAT’S WRONG?
WHAT TO DO
Saw will not start
1. Battery or power supply not installed
1. Install battery or power supply. Refer to
Installing and Removing the Battery Packs
or
Installing and Removing D
E
WALT Corded Power Supply.
2. Battery or power supply not fully inserted
2. Check that battery or power supply are fully latched. Check AC adapter plug in the motor housing
for debris. Refer to
D
E
WALT Corded Power Supply Cleaning Instructions.
3. Batteries not charged
3. Charge batteries. Refer to
Charging Procedure.
4. Power supply not plugged in
4. Plug in saw.
5. Cord damaged
5. Have cord replaced by authorized service center.
6. Fuse blown or breaker tripped
6. Replace fuse or reset circuit breaker.
7. Saw overheated
7. Wait several minutes for saw to cool.
8. Batteries overheated
8. Wait several minutes for batteries to cool.
Saw makes
unsatisfactory cuts
1. Dull blade
1. Replace blade. Refer to
Changing or Installing a New Saw Blade.
2. Blade mounted backwards
2. Turn blade around. Refer to
Changing or Installing a New Saw Blade.
3. Gum or pitch on blade
3. Remove blade and clean with turpentine and coarse steel wool or household oven cleaner.
4. Incorrect blade for work being done
4. Change the blade type. Refer to
Saw Blades
under
Accessories.
Blade does not come up
to speed
1. Extension cord too light or too long
1. Replace with adequate size cord. Refer to
Use Proper Extension Cord
under
Important Safety
Instructions.
2. Low house current
2. Contact your electric company.
Machine vibrates excessively
1. Saw not mounted securely to stand or
work bench
1.
Tighten all mounting hardware. Refer to
Bench Mounting.
2. Stand or bench on uneven floor
2. Reposition on flat level surface. Refer to
Familiarization.
3. Damaged saw blade
3. Replace blade. Refer to
Changing or Installing a New Saw Blade.
Does not make accurate
miter cuts
1. Miter scale not adjusted correctly
1. Check and adjust. Refer to
Miter Scale Adjustment
under
Adjustments.
2. Miter pointer not adjusted correctly
2. Check and adjust. Refer to
Miter Pointer Adjustment
under
Adjustments.
3. Workpiece is not perpendicular to table
3. Check and adjust fence. Refer to
Fence Adjustment
under
Adjustments.
4. Workpiece moving
4. Clamp workpiece securely to fence or glue 120 grit sandpaper to fence with rubber cement.
Material pinches blade
1. Cutting bowed material
1. Refer to
Bowed Material
under
Special Cuts.
CUTLINE
™
worklight flashing
1. Battery low on charge
1. Charge batteries. Refer to
Charging the Battery.
2. Battery hot
2. Wait several minutes for batteries to cool.