9-17SA522 Manual
C53000-G1176-C119-2
Routine Checks and Maintenance 9
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
9.2 Routine Checks 9-3
9.3 Maintenance 9-4
9.4 Troubleshooting 9-7
9.5 Corrective Action / Repairs 9-9
9.6 Return 9-13
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