Veo Observer Plus Betriebsanleitung PDF herunterladen (Seite 101)

Charged Aerosol Detectors

Corona Veo and Corona Veo RS

Operating Instructions Page 93

7.2 Self-Test Error Codes

Internal self-test diagnostics are performed when the detector is powered up. If the diagnostics

determined that there is an internal problem, the detector is not ready for analysis and an error

code will appear on the display.

If the self test fails during start-up, the detector will display a sum of the affected self-test

error codes.

1. Select the Review soft key. The first entry for the self test review will be displayed on-

screen.

2. Select the Test Name in parenthesis to review the results of the entry. Navigate

through the self test review with the Next and Last soft keys.

3. Note any failed self tests and their respective values for your records.

4. To exit the self test review at any time, select the Continue soft key.

Tip: Selecting the Continue soft key at any time during the self test review will

bypass the results and default to the Main Menu.

If an error code appears on the display, turn the detector off, wait several minutes and turn the

detector on again to repeat the self test diagnostics. If the error code still appears, contact the

Thermo Fisher Scientific Service for Dionex HPLC products for further assistance. Have the

serial number of the detector, the error code or the exact wording of the message and the

firmware version number available.

Error Code Description

1 The detector failed to reach the maximum voltage.

2 An error occurred with the high voltage output when the voltage of the corona charger

was turned off.

4 An error occurred with the high voltage current at maximum voltage.

8 An error occurred with the charger current when the voltage of the corona charger was

turned off.

10 An error occurred with the reading of the flow ratio transducer at zero pressure

20 An error occurred with the reading of the pressure transducer at zero pressure.

40 An error occurred with the reading of the total flow transducer at zero pressure.

80 An error occurred with the ion trap supply upon power up.

Liquid is present in the ion trap, indicating detector flooding. Turn off the pump flow.

Check that the drain assembly is free from loops, kinks or blockages. Flow only gas

through the detector for 24 hours. Re-run the self test.

100 An error occurred with the ion trap supply when the ion trap voltage was turned off.

Liquid is present in the ion trap, indicating detector flooding. Turn off the pump flow.

Check that the drain assembly is free from loops, kinks or blockages. Flow only gas

through the detector for 24 hours. Re-run the self test.

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Veo Observer Plus Betriebsanleitung Seite 101