Troubleshooting and Repair
51
Tr
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sho
oting
Flowchart 4: Correcting Set / Dataset Problems
Swap the set/dataset with a known working
set/dataset (note the revision & model).
Return faulty set / dataset for
repair.
To clear all dynamic user features
for a set use
DIAGNOSTIC-CLR-FEATURE
Is the fault
corrected?
Yes
No
Ensure that valid features, such as
Do Not Disturb, are not causing
the set to appear faulty.
Verify the firmware revision.
Try swapping the specific line card.
Hint: Remember to advise the users of the
temporary loss of service.
Is the problem
related to feature
functions or is the
problem hardware
based ?
=> Try swapping COS, COR,
Tenant with a known working set to
isolate programming area.
=> Determine what has recently
been changed to cause this type of
failure.
=> Determine COS, COR, Tenant
commonality with other sets to rule
out specific set hardware problems.
=>Verify set errors.
D
Flowchart 4:
Correcting set / dataset
problems
Features
Hardware
Summary of Contents for SX-200 EL
Page 1: ...TECHNICIAN S HANDBOOK LIGHTWARE 19 RELEASE 3 0 ...
Page 11: ...Chapter 1 Introduction ...
Page 12: ......
Page 32: ...Technician s Handbook 22 ...
Page 33: ...Chapter 2 Routine Maintenance ...
Page 34: ......
Page 55: ...Chapter 3 Troubleshooting and Repair ...
Page 56: ...Technician s Handbook 46 ...
Page 88: ...Technician s Handbook 78 Figure 16 E M Trunk Type I 2 wire ...
Page 110: ...Technician s Handbook 100 ...
Page 111: ...Chapter 4 Programming ...
Page 112: ......
Page 168: ...Technician s Handbook 158 ...
Page 169: ...Chapter 5 Installation ...
Page 170: ......
Page 239: ...Chapter 6 Maintenance Commands ...
Page 240: ......
Page 258: ...Technician s Handbook 248 ...
Page 261: ...Notes ...
Page 262: ...Technician s Handbook Notes ...