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ITEM TOOLKIT

ITEM Toolkit Manual

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3. Click the Mode + button to add a new mode to the list (C).<br />

4. In the new mode box type No Power Output. (D).<br />

5. With this new mode still selected, click the Cause + button to add a new cause. (E).<br />

6. In the new Cause edit box, type Burned Power Supply Fuse (F).<br />

7. Click the Cause + button again to add another cause to the list (E).<br />

8. In the new Cause edit box, type Power Grid Down (F).<br />

9. Click the Immediate - Direct Effects + button to add a new effect to the list. (G)<br />

10. In the Immediate Effect edit box, type No Output from Motherboard 1 (H).<br />

Chapter 6 FMECA 147<br />

NOTE To remove a failure mode, highlight it in the Mode list and click the - button. Use the same procedure to remove a<br />

cause or an effect.<br />

11. Follow the above procedures to the remaining failure modes shown in the Table below. The failure modes should<br />

appear in the System Window (J). If not, select Show Modes from the Layout Menu.<br />

Component Mode Cause Effect<br />

Power Supply<br />

No Power Output<br />

Burned power supply fuse No output from Motherboard 1<br />

Power grid down No output from Motherboard 1<br />

Information not accessible Overheating Unacceptable performance of Motherboard 1<br />

RAM1<br />

Information not transferred/Stored<br />

correctly<br />

Microscopic damage to<br />

circuitry<br />

Incorrect processing<br />

Processor 1<br />

Intermittent malfunction of logic<br />

process<br />

Overheating Unacceptable performance of Motherboard 1<br />

J

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