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Nortel Manuals
Control Unit
DMS-100 Series
Maintenance manual
Nortel DMS-100 Series Maintenance Manual page 12
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Also See for DMS-100 Series
:
Replacement procedures
(1100 pages)
,
Maintenance manual
(762 pages)
,
Manual
(543 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
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viii Contents
11
12
13
297-8361-550 Standard 04.01 September 2000
Troubleshooting chart
Advanced troubleshooting procedures
Powering-up the OPM
12-1
Powering-down the OPM
12-3
Common procedures
12-3
Troubleshooting a loading failure
Troubleshooting RTS failure
12-6
Troubleshooting dial tone problems
12-7
Troubleshooting ringing generator problems
12-8
OPM routine maintenance procedures
Battery capacity tests OPM
13-2
Battery, physical inspection OPM
13-10
Battery replacement OPM
13-13
Testing dampers OPM
13-20
Door alarms testing OPM
13-24
Dust removal OPM
13-28
Discharge test failure OPM
13-31
Open-circuit test failure OPM
13-34
Failure of post charge test OPM
13-38
Fan alarms testing OPM
13-42
Filters inspection for cooling unit OPM
13-46
Secondary (diffuser) filter replacement in cooling unit OPM
13-50
Filter replacement OPM
13-54
High temperature alarms testing OPM
13-57
Heaters testing OPM
13-61
Low temperature alarms testing OPM
13-65
Rectifier voltage adjustment OPM
13-69
Rectifier voltage check OPM
13-72
Rectifier replacement in an NT8X01AA, AB, BA, BB OPM
13-74
Rectifier replacement in an NT8X01AC, BC OPM
13-78
Site test OPM
13-81
Testing wrist strap grounding cords OPM
13-85
Testing power converter voltages HIE
13-88
Returning a card for repair or replacement OPM
13-91
12-4
11-1
12-1
13-1
Table of
Contents
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Table of Contents
Troubleshooting
10 Trouble isolation and correction
577
11 Troubleshooting chart
589
Advanced troubleshooting procedures
593
Troubleshooting a loading failure
596
Troubleshooting RTS failure
598
Troubleshooting dial tone problems
599
Troubleshooting ringing generator problems
600
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