Question: Seeing flickering in a rack. Could this be due to an airflow problem? Answer: Yes it can. The rack can get caught between system ok and airflow error. This can cause flicker. If all of the dimmers that are active in the rack always flicker out together, airflow could be a factor. If they change...
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: Sensor Dimmer Rack Flickering Due to Airflow Issues DMX problems might cause all dimmers in all racks to flicker sporadically...
Verify that the Max Scale setting for each dimmer on the CEM+ is set to about 118. Verify that the Curve setting for each dimmer on the CEM+ is set to Mod Square. If this doesn’t work, try Sensor 2.0. Make sure to check the voltage readings with a True-RMS meter. NOTE: Any work (including metering...
Problem: Dimmer modules slide out about 1/2" during transport of the rack. Modules must be re-seated before each use. Solution: Install (2) 7053A3087 Module Retainers per door (i.e. 2 per SP24, 4 per SP48). This will help to hold the modules in place.
When equipment goes bad out in the field, it's often extremely helpful if the owner/end user can keep track of the circumstances of the failure. This is especially true when the problem is intermittent and might not occur when the technician is present. Service Technicians are exceptionally skillful...
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Most likely the rack has been configured for advanced feature dimmers and you are not using advanced feature dimmers. Call ETC Technical Service or refer to the article in this database regarding generating defaults for a Sensor rack.
On ETC submittal drawings there is a line that states: Dimmer rack generates approximately 4% of connected load as heat output. Dimmer Room must have climate control. Maintain between 32 degrees Fahrenheit (0 degrees Centigrade) to 104 degrees Fahrenheit (40 degrees Centigrade), humidity between 30%...