Maintenance is mandatory for the instigator of you Installation and The network it is meant to protect and control.

The following is items that needs to be checked and or verified

  1. Operation and switch-ability of the Switchgear
  2. The most important item to check is the DC Supply to the Board (if the Dc supply is not Correct the Board is not working and the Protection of the panels is not working there for the Board will be statis and the network to be protected is vulnerable to faults and damages and the power will not be interrupted to clear the fault.  daar sis ng 
  3. wertders