System Self Diagnostic Test; Figure 5-2: Installing Fuses - Teledyne 2120XL Operating Instructions Manual

Trace Nitrogen in Argon Analyzer
American Fuses

5.4 System Self Diagnostic Test

1. Press the System button to enter the system mode.
2. Use the ◄► arrow keys to move to More, and press Enter.
3. Use the ◄► arrow keys to move to Self-Test, and press
Enter.
The following failure codes apply:
Power: Tests the sample 5V and 15V power supplies
Analog: Set non-zero sample on analog output channel 1 (% of range)
and channel 2 (Range ID) and sample response.
Preamp: A) Tests the bypass sensor input.
B) Sets a zero level on preamp then tests response.
C) Sets a non-zero livel on preamp then tests response.
Teledyne Analytical Instruments

Figure 5-2: Installing Fuses

0 OK
1 5 V Failure
2 15 V Failure
3 Both Failed
0 OK
1 Analog channel 1 (% of Range) is incorrect
2 Analog channel 1 (Range ID) is incorrect
3 Both channels are incorrect
0 OK
1 Preamp is incorrect at zero level
2 Preamp is incorrect at non-zero level
3 Both zero and non-zero are incorrect
Maintenance
European Fuses
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