Troubleshooting - Bosch CM12 Operating/Safety Instructions Manual

BM 2610021316 10-11 E:BM 2610021316 10-11 E.qxp 10/17/11 11:02 AM Page 35
pROBlEM
Brake does not stop blade
in about 5 seconds
Motor does not start.
Flash of light from motor end-
cap when switch is released.

Troubleshooting

Troubleshooting Guide - Electrical
CAUSE
1. Brushes not seated or lightly
sticking or worn.
2. Motor overheated from use
of dull blade/too heavy of a
blade, not recommended
accessory or rapid on/off
cycling.
3. Blade bolt loose.
4. Other
1. Check that unit is plugged in.
2. Power source fuse or
time delay fuse.
3. Brushes worn.
1. Normal - brake working
properly.
-35-
CORRECTIVE ACTION
- Inspect/clean or replace
brushes (see Maintenance
Section).
- Use sharp blade.
- Use a recommended blade.
- Let saw cool down.
- Tighten blade bolt.
- Authorized service
- Plug unit in. Use different
outlet.
- 15-Amp time delay fuse or
circuit breaker.
- See Brush Replacement in
the Maintenance and Lubri-
cation section.