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TROUBLESHOOTING
TROUBLESHOOTING DC MODULAR POWER SYSTEMS
I-E96-508C
5 - 3
Figure 5-1. Troubleshooting Flowchart, DC Modular
Power Systems
START
YES
CHECK PEP
IN SYSTEM
CABINET
YES
NO
NO
CHECK BUS
MONITOR LEDs
YES
NO
RESTORE LINE
POWER
CONTINUED
NEXT PAGE
2
YES
NO
REPLACE PEP
IS DTM
STATUS LED
RED?
REPLACE DTM
TP25134A
IS LINE 1
OR 2 WITHIN
RANGE?
IS LINE
1 OR 2 LED
RED?
IS
CB1 AND CB2 ON?
TURN CB1 AND
CB2 ON