SELF TEST
After self-test procedure, the result, PASS or FAIL, will be shown. If the
result is FAIL, the “ERR” annunciator on the display panel will be lit, and
error codes will be stored. You can check the error codes by the following
procedure.
Procedure: MENU
ERROR
The descriptions of self-test procedures are listed below including test
number, purpose, test setup, and failure criteria.
601 Front panel does not respond The main CPU U1601 attempts to
establish serial communications with the front panel processor U3.
Communication must function in both directions for this test to pass.
602 RAM read/write failed This test writes and reads a 55h and AAh
checker board pattern to each address of ram U1701. Any incorrect read
back will cause a test failure. This error is only readable from the remote
interface.
603 Front-End MCU does not respond The main CPU U1601 attempts
to establish serial communications with the front-end processor U2001.
Communication must function in both directions for this test to pass.
604 A/D noisy test failed This test configures to the 10V dc range with
the internal 0V. A 20ms ADC measurement is performed and the result is
checked against a limit of 0V
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