Lucent Technologies DDM-2000 OC-12 - Page 1276

TAP-114 363-206-295ClearingTrouble:
1997December1,Issue4of4Page
operatingfromfanpreventwillthatanythingforassemblyfanExamine31.
properly.
fuses.andassemblyfanreinstallandblockagesanyRemove32.
assemblyfanIs33. ALARMFAN off?LED
If YES, then PROCEDURE.THISCOMPLETEDHAVEYOUSTOP.
If NO, withcontinuethen 34.Step
Remove34. HFAN and LFAN correspondingonfuses BFU.
fuses.installandassemblyfannewwithassemblyfanReplace35.
assemblyfanIs36. ALARMFAN off?LED
If YES, then PROCEDURE.THISCOMPLETEDHAVEYOUSTOP.
If NO, withcontinuethen 37.Step
theofoneReplace37. RECTIFIER336 s.
clear?alarmDoes38.
If YES, then PROCEDURE.THISCOMPLETEDHAVEYOUSTOP.
If NO, withcontinuethen 39.Step
originalReinstall39. RECTIFIER336A .
secondReplace40. RECTIFIER336A .
clear?alarmDoes41.
If YES, then PROCEDURE.THISCOMPLETEDHAVEYOUSTOP.
If NO, withcontinuethen 42.Step
originalReinstall42. RECTIFIER336A .
orgroupsupporttechnicalregionalyourcallassistance,technicalFor43.
manual.thisoffrontinlistednumberRTACTechnologiesLucent
44. PROCEDURE.THISCOMPLETEDHAVEYOUSTOP.