Troubleshooting; System Self-Diagnostic Test; Version Screen - Teledyne 3000PB Operating Instructions Manual

Percent Oxygen Analyzer

4.3.5 System Self-Diagnostic Test

The Model 3000PB has a built-in self-diagnostic testing routine. Pre-
programmed signals are sent through the power supply, output board and
sensor circuit. The return signal is analyzed, and at the end of the test the
status of each function is displayed on the screen, either as OK or as a
number between 1 and 3. (See System Self Diagnostic Test in chapter 5 for
number code.)
The self diagnostics are run automatically by the analyzer whenever the
instrument is turned on, but the test can also be run by the operator at will.
To initiate a self diagnostic test during operation:
Press the System button to start the System function.
Contrast Function is DISABLED
(Refer to Section 1.6)
Use the < > arrow keys to blink More, then press Enter.
Use the < > arrow keys again to move the blinking to the Self–Test
function. The screen will follow the running of the diagnostic.
During preamp testing there is a countdown in the lower right corner of
the screen. When the testing is complete, the results are displayed.
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 Chapter 5
Maintenance and Troubleshooting for number-code information. The results
screen alternates for a time with:
Then the analyzer returns to the initial System screen.

4.3.6 Version Screen

Move the < > arrow key to More and press Enter. With Version
blinking, press Enter. The screen displays the manufacturer, model, and
software version information.
Contrast Auto—Cal
PSWD Logout More
Version Self—Test
Cell Output: ### μA
RUNNING DIAGNOSTIC
Testing Preamp — 83
Power: OK Analog: OK
Preamp: 3
Press Any Key
To Continue...
Teledyne Analytical Instruments
Operation 4
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