Craftsman 5275.1 Operator's Manual page 21

PROBLEM
The drill/driver does
not work
Bit cannot be installed
Motor is overheating
TROUBLESHOOTING
CAUSE
Battery is depleted
Chuck is not open
Be sure that cooling
vents are free from saw
dust and obstacles
21
SOLUTION
Charge the battery
Open the chuck
Clean and clear the vents.
Do not cover vents with
hand during operation