Ensure the camera housing is fully in place and the sensor is receiving light.
This link provides more details on aiming the camera to avoid obstructing sensors: https://support.rhombussystems.com/hc/en-us/articles/360033449431-Aiming-a-Rhombus-Camera#h_01FHV9AVY8Z5FG66PNS6TZM8KZ
If the steps above don't resolve the issue, please call our support line at (313) 425-5765 or email us at [email protected] and we’ll get back to you within one business day at the latest.