The safety controller is triggered by an external interlock event. The error message “safety controller switch open” is also displayed.

1. Check if the beam stop button (Emergency button) is pushed. If pushed, resolve the cause and then quarter turn the beam stop button to restore its normal operation position.

2. Check if the external safety interlocks (if installed) are not triggered. If triggered, resolve the cause and restore the normal operation position of the external interlocks.

3. In case no external safety interlocks are installed check if the connector (reference 1 image), with shunt wires to bypass the external interlocks, is correctly installed.

4. Finally, after all safety controller switch issues are resolved, switch the beam enable key (Master key) off and on to reset the safety controller.

First install of the projector.

1. Check if the beam stop button (Emergency button) is in its normal operation position (not pressed in). If not, quarter turn the beam stop button.

2. Check if the external safety interlocks (if installed) are in the normal operation position.

3. In case no external safety interlocks are installed check if the connector (reference 1 image) with shunt wires to bypass the external interlocks is correctly installed.

4. Finally, switch the beam enable key (Master key) off and on to reset the safety controller.

The safety controller is triggered by an internal interlock event. The error message “laser safety switch open” is also displayed.

1. First resolve the error messages “laser safety switch open”. See related troubleshooting checklist.

2. Ensure that all projector inner covers are properly installed.

3. Then, switch the beam enable key (Master key) off and on to reset the safety controller.