TROUBLESHOOTING THE BOSCH 11316 EVS: WON'T START

Introduction

The Bosch 11316 EVS is a reliable and powerful rotary hammer, but like any tool, it can occasionally face issues. If your Bosch 11316 EVS won't start, don’t worry! This guide will help you diagnose and fix common problems.

Common Causes

Power Source Issues
- Check the Outlet: Ensure the power outlet is functioning. Try plugging in another device to confirm.
- Power Cord Damage: Inspect the power cord for cuts or fraying. A damaged cord can prevent the tool from starting.
Trigger Switch Malfunction
- Stuck Trigger: Ensure the trigger isn’t stuck. Clean around the trigger area to remove any debris.
- Worn Switch: If the trigger feels loose or unresponsive, it may need replacement.
Brush Wear
- Carbon Brushes: Inspect the carbon brushes for wear. If they are less than 1/4 inch long or worn unevenly, replace them.
Motor Issues
- Motor Blockage: Check for any obstructions that could prevent the motor from turning.
- Overheating: If the tool has been used extensively, let it cool down. Overheating can cause the motor to shut off temporarily.
Internal Wiring
- Loose Connections: Inspect internal wiring for loose or disconnected wires, which can disrupt power flow.

Step-by-Step Troubleshooting

Step 1: Check the Power Source

Test the outlet with another tool.
Inspect the power cord for visible damage.

Step 2: Inspect the Trigger

Clean around the trigger.
Test the switch with a multimeter for continuity.

Step 3: Examine the Carbon Brushes

Remove the brush caps and check the length and condition of the brushes.
Replace if necessary.

Step 4: Inspect the Motor

Remove any debris or obstructions.
Allow the tool to cool if it has been used heavily.

Step 5: Check Internal Connections

Open the tool casing and visually inspect the wiring.
Reconnect any loose wires.

When to Seek Professional Help

If you’ve followed these steps and your Bosch 11316 EVS still doesn’t start, it may be time to consult a professional technician. Complex motor or internal issues may require expert attention.

Conclusion

With some basic troubleshooting, you can often diagnose and fix why your Bosch 11316 EVS won’t start. Regular maintenance and checks can help prevent these issues in the future.