There are a number of issues that can appear as "flickering" in a Sensor dimmer rack.
- Airflow issues are a common reason that all dimmers in a rack might flicker together.
- DMX problems might cause all dimmers in all racks to flicker sporadically. This flicker will usually "pop around" with different dimmers blinking at different rates and times.
- Power problems might cause all dimmers in all racks to flicker together or for dimmers powered from a specific phase of power to have issues across all racks, while the remaining dimmers behave normally.