SCS Controller - Faults and Alarms
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      3. SCS Controller - Faults and Alarms

      How the 'Over voltage' alarm works

      When the voltage of a cooler is greater than the maximum run, or start voltage, for more than 10 seconds, the SCS Controller can switch off the compressor to protect the asset and trigger an alarm to alert the site manager or staff.

      Review the fault logic for the "Over Voltage" alarm in the following graph:

      'Over voltage' alarm

      To check the present voltage for a cooler and any related alarms, or to update the parameters for 'Minimum Start Compressor Voltage' and 'Maximum Run / Start Compressor Voltage' connect to the SCS Controller with Field app.

      Read more about checking power use for a cooler.