This will be the overall status you’ll see when u log in to Message Master 4000 (RMC1) with your mobile. First two rows are digital inputs. Third row is analog input and the last row being digital output. When the inputs turn red, it means that particular device is not working. In this case, the power supply in the control room has tripped. An SMS should have been sent to you.
You can configure the fan to automatically turn on when the temperature in the server room reaches a certain degree OR you could send an SMS to turn it on OR you can just login to the admin page to turn it on.