24
Fault Tracing Thyristors
3ADW000488R0101 DCS880 Service manual e a
Converters size H4 (610 ... 1000 A)
The supply for the SDCS-BAB-F0x is passed via fuses F401 … F403. Thus, fuses F401 … F403 need to be
measured, before the SDCS-BAB-F0x is checked.
−
The converter must be disconnected from the mains.
−
Remove faulty thyristor modules
9. Remove the marked plugs at the SDCS-
PIN-H01.
10. Remove the plastic cover.
11. Remove field connection plug X10 from the top of the DCS880.