# Tool fails to start in emergency mode

The tool does not start even if the tightening program is set.

Cause | Solution
--- | ---
There is a connectivity problem between the controller and Smart AMS. | Ensure the network connectivity between the controller and Smart AMS. If a network disconnection is detected, restart the controller. If the connection to Smart AMS is normal, review the log files for steps that did not succeed, and then take corrective action. Path to log files: %ProgramData%\AMP\. Example: C:\ProgramData\AMP\.