BM 2610021316 10-11 E:BM 2610021316 10-11 E.qxp 10/17/11 11:02 AM Page 35

Troubleshooting

Troubleshooting Guide - Electrical

pROBlEM

 

CAUSE

 

CORRECTIVE ACTION

 

 

 

 

 

Brake does not stop blade

1.

Brushes not seated or lightly

-

Inspect/clean or replace

in about 5 seconds

 

sticking or worn.

 

brushes (see Maintenance

 

 

 

 

Section).

 

2. Motor overheated from use

-

Use sharp blade.

 

 

of dull blade/too heavy of a

- Use a recommended blade.

 

 

blade, not recommended

- Let saw cool down.

 

 

accessory or rapid on/off

 

 

 

 

cycling.

 

 

 

3.

Blade bolt loose.

-

Tighten blade bolt.

 

4.

Other

-

Authorized service

 

 

 

 

 

Motor does not start.

1.

Check that unit is plugged in.

-

Plug unit in. Use different

 

 

 

 

outlet.

 

2. Power source fuse or

- 15-Amp time delay fuse or

 

 

time delay fuse.

 

circuit breaker.

 

3. Brushes worn.

- See Brush Replacement in

 

 

 

 

the Maintenance and Lubri-

 

 

 

 

cation section.

 

 

 

 

 

Flash of light from motor end-

1.

Normal - brake working

 

 

cap when switch is released.

 

properly.

 

 

 

 

 

 

 

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Bosch Power Tools CM12 manual Troubleshooting Guide Electrical, PROBlEM