Teledyne Analytical Instruments 3020 M, Operating Instructions Manual

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Maintenance Model 3020M-ATEX
Teledyne Analytical Instruments 62
5.5 System Self Diagnostic Test
Use the DOWN/UP switch to scroll through the MAIN MENU to
SELF-TEST . The screen will follow the running of the diagnostic.
RUNNING DIAGNOSTIC
Testing Preamp — 83
During preamp testing there is a countdown in the lower right
corner of the screen. When the testing is complete, the results are
displayed.
Power: OK Analog: OK
Preamp: 3
The module is functioning properly if it is followed by
OK
. A
number indicates a problem in a specific area of the instrument. Refer to
Table 5-1 for number-code information. The results screen alternates for
a time with:
Press Any Key
To Continue...
The following failure codes apply:
Table 5-1: Self Test Failure Codes
Power
0 OK
1 5 V Failure
2 15 V Failure
3 Both Failed
Analog
0 OK
1 DAC A (0–1 V Concentration)
2 DAC B (0–1 V Range ID)
3 Both Failed
Preamp
0 OK
1 Zero too high
2 Amplifier output doesn't match test input
3 Both Failed