Lucent Technologies -48V CPS4000/CPS4000 PLUS Cabinet Power System
9 - 6 Troubleshooting Issue 13 December 2000
Converter Flowchart, continued
Yes
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Turn the Input Circuit
Breaker On or Replace Fuse
Check the DC Source
Insert Converter in Shelf
Check System Wiring
Replace Shelf
Operate Circuit
Breaker or Fuse
End
Replace Converter
(Power is Available at
Unit but no LEDs are Lit.)
Replace Converter
(Only TA LED is Lit)
Replace Converter
(Green Power On LED
is Lit but No Power)
Do Other Converters
Deliver Power?
Is Converter Fuse
or Circuit Breaker
on Line?
Is Converter Fully
Inserted in Shelf?
Is DC Power at
Converter Connector?
Is DC Power at
Converter Connector?
Is Green Power
LED Lit?
Is Output Circuit
Breaker or Fuse On?
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3
Sheet 2
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