Troubleshooting
The following table shows fault symptoms and how you can remedy the problem if your power tool does not work properly. If this does not enable you to locate and rectify the problem, contact your service workshop.
- Important: Before troubleshooting, switch off the power tool and pull out the mains plug.
Problem | Possible Cause | Corrective measure |
|---|---|---|
Power tool not running | Front brake has been triggered | Pull the lever for activating the front brake (4) back to the |
Plug not connected | Connect the plug | |
Plug socket defective | Use another plug socket | |
Fuse has been triggered | Change the fuse | |
Extension cable damaged | Do not attempt without an extension cable | |
Power tool works intermittently | Mains cable defective | Operate the front brake lever to stop the saw chain; check the mains cable and replace it if necessary |
External or internal loose connection | Operate the front brake lever to stop the saw chain; contact your Bosch after-sales service | |
On/off switch (2) defective | Operate the front brake lever to stop the saw chain; contact your Bosch after-sales service | |
Saw chain does not slow down | Front brake/run-out brake defective | Contact your Bosch after-sales service. |
Saw chain/guide rail hot | Chain tension too high | Adjust the chain tension |
Blunt saw chain | Replace the saw chain | |
Power tool judders, vibrates or does not saw correctly | Chain tension too low | Adjust the chain tension |
Blunt saw chain | Replace the saw chain | |
Saw chain worn | Replace the saw chain | |
Saw teeth pointing in the wrong direction | Install the saw chain correctly |
position.