Lucent Technologies CPS4000 - Page 179

Lucent Technologies -48V CPS4000/CPS4000 PLUS Cabinet Power System
Issue 13 December 2000 Troubleshooting 9 - 5
Converter Flowchart
Start
End
Yes
Yes
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
End
End
Go to 1 Sheet 2
Go to 2 Sheet 3
Go to 3 Sheet 2
Turn Power Switch
On and Go to Start
Replace Defective
Converter
Check for
Excessive Load
Control Unit May Have Shut
Down Converter Using
Remote On/Standby Control
Remove Control Unit
Check Converter for
Proper On/Standby
Control
Does Converter
Deliver Power?
Is Any
LED Lit?
Is ALM
LED Lit?
Is STBY
LED Lit?
Is Power
Switch On?
Does Converter
Restart?
Does Converter
Continue to Operate
After 1 Minute?
Sheet 1