Regular Maintenance

WARNING! 

Use ONLY a damp cloth to clean the device. Otherwise, electrical shock or ignition from ESD can occur.

Failure to follow this warning can result in serious personal injury or death.

Clean the optical window every 30 days at a minimum. Refer to Cleaning the Optical Window and Reflectors for instructions. Do sensitivity checks regularly. Refer to Sensitivity Check for instructions.

Examine, clean the optical window, and do sensitivity checks more frequently for devices that are installed in dirty areas.