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4535 612 34161 HD3 Service Manual Page 142
CSIP Level 1 Troubleshooting: All Troubleshooting Starts Here
Clarifying
Symptoms
These actions and considerations can help to clearly describe a symptom, which is useful in iso-
lating the cause and can also be useful later when documenting the problem and the solution.
Make notes about the problem you are investigating as you read through this section:
• Have the user restate problem and verify that you are checking the correct system.
• Are there any other systems exhibiting this symptom or is it exclusive to one system?
• Is this the symptom of a real problem, or is it possibly an unrealistic expectation of the sys-
tem features and options set?
• Clarify the symptom: Is it a hang, a crash, a shutdown, an image artifact, an error code, not
booting, or other symptom? Write down a clear statement of what the symptom is and how
it manifests itself:
- How does it happen: What keystrokes, what modality, what preset, what transducer?
Table 9-1 Effective Problem-Solving Checklist
Basic Troubleshooting Step Link to Detailed Guidelines
Identify the symptom “Clarifying Symptoms” on page 142
Re-create the problem “Re-creating a Problem” on page 143
Isolate the cause “Isolating Causes” on page 143
Develop a solution “Developing a Solution” on page 145
Perform a corrective action “Implementing a Solution” on page 145
Verify that the system works “Verifying Corrective Actions” on page 146
Put system in service and close the call “Returning the System to Service” on page 147