7 Operation and maintenance
This chapter explains first start-up, maintenance and troubleshooting of the PRO-
TECT-PSC.
7.1 Delivery status 7-2
7.2 Start-up 7-2
7.3 Disturbances/error messages 7-3
7.3.1 Error categories 7-3
7.3.2 Error memory 7-3
7.3.3 Error messages/codes 7-5
7.4 Maintenance 7-8
7.4.1 Changing the battery 7-8
7.4.2 Defective fuses 7-8
7.4.3 Failure as a result of common cause 7-8
7.5 Service 7-8