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Advant
®
Controller 450 User’s Guide
Section 5.5.9 List of General Fault Finding Procedures and Hints
3BSE 002 415R701 Rev A
5-47
Scenario D - Fault Finding
Disturbance in the I/O subrack power supply is verified.
First guidance and measures to be taken, see
.
Figure 5-18. First Guidance, Scenario D
2. Then see
2)
I/O Subrack 1 LEDs
Diagnostic
ON
OFF ON
OFF ON
ON
ON
OFF OFF
Regulator fault
Supply branch A fault
Supply branch B fault
Replace actual DSSR 170
1)
2. Check for a disconnection in the
Replace or continue with
ON
OFF ON
Normal operation
-----
OFF
OFF
ON
OFF
ON
ON
ON
ON
OFF
ON
ON
ON
ON
OFF
OFF
OFF
ALIVE
AF
AIL
BLIVE
BF
AIL
PBC
LIVE
FA
IL
DSSS 171
DSSR 170
24 V power supply distribution
I/O Subrack 2..3 LEDs
Diagnostic
ON
OFF ON
OFF ON
ON
ON
OFF OFF
Regulator fault
Supply branch A fault
Supply branch B fault
Replace actual DSSR 170
1)
ON
OFF ON
Normal operation
-----
OFF
OFF
ON
OFF
ON
ON
ON
ON
OFF
ON
ON
ON
ON
OFF
OFF
OFF
ALIVE
AF
AIL
BLIVE
BF
AIL
PBC
LIVE
FA
IL
DSSS 171
DSSR 170
1. First check the fuses F501/F502
on I/O subrack DSRF 187A
(rear side)
1. First check the fuses F501/F502
on I/O subrack DSRF 187A
(rear side)
See
1)
Valid to the power supply units
for I/O subrack 2...3
2)
Replace or continue with
Summary of Contents for Advant Controller 450
Page 1: ...Advant OCS with Master software GYDQW RQWUROOHU User s Guide 3BSE 002 415R701 Rev A ...
Page 26: ...Advant Controller 450 User s Guide Table of Contents 3BSE 002 415R701 Rev A xvi ...
Page 30: ...Advant Controller 450 User s Guide Table of Contents 3BSE 002 415R701 Rev A xx ...
Page 488: ... GYDQW RQWUROOHU 8VHU V XLGH SSHQGL DUGZDUH 0RGXOHV A 48 3BSE 002 415R701 Rev A ...
Page 508: ...Advant Controller 450 User s Guide Appendix D Item Designations D 12 3BSE 002 415R701 Rev A ...
Page 518: ...Advant Controller 450 User s Guide Appendix F Load Calculation F 4 3BSE 002 415R701 Rev A ...
Page 522: ...Advant Controller 450 User s Guide Appendix G Memory Calculation G 4 3BSE 002 415R701 Rev A ...
Page 528: ...Advant Controller 450 User s Guide Appendix H Halt Codes H 6 3BSE 002 415R701 Rev A ...
Page 562: ...Advant Controller 450 User s Guide Index iv 3BSE 002 415R701 Rev A ...
Page 563: ......
Page 564: ...3BSE 002 415R701 Rev A March 2000 ...