Dremel SM20 - Manual (Page 19)

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Trouble Shooting
Read instruction manual first! Remove plug from the power source before
making adjustments or assembling the wheel.
TROUBLE: TOOL WILL NOT START
PROBLEM 1. Power cord is not plugged in.
2. Power source fuse or circuit breaker tripped.
3. Cord damaged.
4. Burned out switch.
5. Paddle switch does not turn tool on.
REMEDy 1. Plug tool in.
2. Replace fuse or reset tripped circuit breaker.
3. Inspect cord for damage. If damaged, have cord replaced by a Dremel Service
Facility.
4. Have switch replaced by a Dremel Service Facility.
5. Lock-Off feature not activated.
TROUBLE: WHEEL DOES NOT COME UP TO SPEED
PROBLEM 1. Extension cord too light or too long.
2. Low house voltage.
REMEDy 1. Replace with adequate cord.
2. Contact your electric company.
TROUBLE: ExCESSIVE VIBRATION
PROBLEM 1. Wheel out of balance.
2. Workpiece not clamped or supported properly.
REMEDy 1. Discard wheel and use different wheel.
2. Clamp or support workpiece as shown on pages 14 and 15.
TROUBLE: CUT BINDS, BURNS, STALLS MOTOR WHEN RIPPING
PROBLEM 1. Dull wheel.
2. Warped board.
3. Wheel binds.
4. Improper workpiece support.
REMEDy 1. Discard wheel and use a different wheel. Or clean debris from carbide grit with a
wire brush.
2. Make sure concave or hollow side is facing “DOWN” feed slowly, see (page 14).
3. Assemble wheel and tighten Lock Bolt per “Assembly Instructions”, see (page
10). Or only attempt to make straight cuts.
4. Clamp or support workpiece as shown on pages 14 and 15.
TROUBLE: WHEEL MARKS FLOORING WHILE FLUSH CUTTING
PROBLEM 1. Bent or warped wheel.
REMEDy 1. Discard wheel and use different wheel.
! WARNING
DM 2610013190 06-11:DM 2610013190 06-11.qxp 6/6/11 10:43 AM Page 19