Troubleshooting - Bosch 4405 Operating/Safety Instructions Manual

Troubleshooting Guide - Electrical
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

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.
4. Other.
1. Normal - brake
working properly.
Note: To find an authorized service center,
call 1-877-BOSCH99 (1-877-267-2499)
or visit www.boschtools.com.
• Inspect/clean or replace
• Use sharp blade.
• Use a recommended blade.
• Let saw cool down.
• Tighten blade bolt.
• Authorized service
• Plug unit in. Use different
• 15-Amp time delay fuse or
• See Brush Replacement in
• Authorized service.
• None required.
33.
CORRECTIVE ACTION
brushes (see Maintenance
Section).
outlet.
circuit breaker.
the Maintenance and Lubri-
cation section.