Routine Checks and Maintenance
7SA522 Manual
C53000-G1176-C119-2
General comments about the routine checks and maintenance activities to ensure the
high reliability of the 7SA522 are given in this chapter. A procedure for replacing com-
ponents such as the buffer battery is discussed. Troubleshooting advice is provided.
A procedure for replacing the power supply fuse is described. Some comments con-
cerning the return of a device to the factory are given.
9.1
General
9.2
Routine Checks
9.3
Maintenance
9.4
Troubleshooting
9.5
Corrective Action / Repairs
9.6
Return
9
9-2
9-3
9-4
9-7
9-9
9-13
9-1