GE MEDICAL SYSTEMS
D
IRECTION FK091075, REVISION 04 VIVID 3N PRO/EXPERT SERVICE MANUAL
Chapter 7 Diagnostics/Troubleshooting 7-19
7-3-6 Front End Controller (FEC) Diagnostic Tests (RFT Configuration
The FEC diagnostic tests include the following:
• Board Test: General board test which activates the remaining tests sequentially. Each of
these tests can also be performed individually.
• Self Test: An FEC self test generated by the DSP on the FEC board.
• BF Cache Test: Checks the access to the BF cache memory that stores the data for the
focuser.
• TEE Temp Test: Checks the TEE probe temperature sensor.
• Thr Temp Test: Diagnoses the temperature threshold for TEE probes.
• Pencil ID Test: Checks the pencil ID circuit in the FEC.
NOTE: Before performing any of the FEC tests, perform the IMP, VME Bus and RFT tests, as described
beginning on page 7-13. If an FEC test is performed without first performing these tests, and errors are
identified, you must perform the RFT test, and then the VME Bus test and the IMP test, to ensure that
the FEC board is the source of the error.
1) Access the FE Diagnostics dialog box - see 7-3-1 "Accessing the Front End Diagnostic Options" on
page 7-6.
2) In the FE Diagnostics dialog box, trackball to the FEC tab and press Select,
OR
Trackball to the FEC button in the Data Flow Map and press Select.
The FEC tab is displayed, as shown below:
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