AOpen OpenBook 1556, Руководство по обслуживанию

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Chapter 4 83
Use the following procedure as a guide for computer problems.
NOTE: The diagnostic tests are intended to test only our company’s products. Other brand’s products,
prototype cards, or modified options can give false errors and invalid system responses.
1. Obtain the failing symptoms in as much detail as possible.
2. Verify the symptoms by attempting to re-create the failure by running the diagnostic te
3. st or by repeating the same operation.
4. Use the following table with the verified symptom to determine which page to go to.
Symptoms (Verified) Go To
Power failure. (The power indicator does not go on or stay
on.) “Power System Check” on page 84.
POST does not complete. No beep or error codes are
indicated. “Power-On Self-Test (POST) Error Message” on page 89
“Undetermined Problems” on page 95
POST detects an error and displayed messages on
screen. “Error Message List” on page 89
Other symptoms (i.e. LCD display problems or others). “Power-On Self-Test (POST) Error Message” on page 89
Symptoms cannot be re-created (intermittent problems). Use the customer-reported symptoms and go to “Power-
On Self-Test (POST) Error Message” on page 89
“Intermittent Problems” on page 95
“Undetermined Problems” on page 95
Troubleshooting
Chapter 4