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TROUBLESHOOTING
TROUBLESHOOTING DC MODULAR POWER SYSTEMS
I-E96-508C
5 - 5
Figure 5-1. Troubleshooting Flowchart, DC Modular Power
Systems
(continued)
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TP25406A
LOW 5 VDC OR
24 VDC LOAD ON
SYSTEM?
LOW 5 VDC LOAD
ON SYSTEM?
LOW 24 VDC LOAD
ON SYSTEM?
USER INPUTS
GOOD?
POWER MODULE
LED BLINKING
RED?
REMOVE POWER
MODULE, THEN INSERT
POWER MODULE
REPLACE POWER
MODULE. REFER TO
REPAIR/REPLACEMENT
PROCEDURES.
DISABLE 5 V
UNDERCURRENT
DETECTION ON ALL
IEPAS02s. REFER TO
INSTALLATION
DISABLE 24 V
UNDERCURRENT
DETECTION ON ALL
IEPAS02s AND IEPAF02s.
REFER TO INSTALLATION
CHECK AUXILIARY
SYSTEM
NO
YES
YES
NO
NO
YES
NO
NO
YES
YES
3
5
4
4