Emerson ControlWave MICRO Instruction Manual download pdf (Page 152)

ControlWave Micro Instruction Manual (CI-ControlWave Micro)

5-24 Service & Troubleshooting Revised Jun-2013

Figure 5-17. Ethernet Diagnostic Menu

3. Enter 1 in the Number of Passes field.

4. Enter 1 in the Ethernet Port to Test field.

5. Click RUN next to the Loop-back out twisted pair field to start

the test. At the completion of the test, any failed results appear in

the Status field next to the Loop-back out twisted pair label:

 No Hardware Present

 Loop-back Send Failed

 Loop-back Receive Failed

 Loop-back Compare Failed

 Error Information Returned

6. Disconnect the loop-back plug and reconnect the Ethernet cable

to the Micro and the Ethernet hub.

7. Click Return to Menu to display the WINDIAG Main Menu.

5.5 Core Updump

In some cases—such as when a Micro fails for no apparent reason—you

can upload a copy of the contents of SRAM and SDRAM to a PC for

support personnel and service engineers to evaluate. This upload is

called a “core updump.”

A core updump may be required if the Micro spontaneously enters a

watchdog state that affects all system operation. This occurs when the

system crashes as a result of a CPU timeout (resulting from improper

software operation, a firmware glitch, and so on). In some cases, the

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Emerson ControlWave MICRO Instruction Manual Page 152