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Oil-Less Claw Medical Vacuum

Appendix B: Variable Speed Drive Inverter

B.3 Alarms

B.3.1 Check Alarm History

A list of the past 8 alarms can be displayed from the display monitor (for a complete list of alarm
indications, see Alarm Indications Section B.3.4).

1. Press the “MODE” button twice to display the alarm history mode.

2. Turn the setting dial to list all error indications. When no alarm history exists “E0” is displayed
(refer to Table B.3.4 for list of alarm displays).

3. Press the setting dial to display the alarm history number (past 8 alarms).

4. Press the “MODE” button once to return to the monitor display.

B.3.2 Check Alarm Output Conditions

The output frequency, output current, output voltage and energization time (total elapsed time until
alarm occurred) can be checked on each alarm indication.

NOTE: Not all alarms will display the conditions listed above.

1. Complete steps 1& 2 in Section B.3.1.

2. After selecting the error indication, press the “SET” button to display the output frequency. See
Figure B.2.

3. Press “SET” button to display the output current.

4. Press “SET” button display the output voltage.

5. Press “SET” button to display the energization time.

6. Press “SET” button to return to the alarm display.

7. Press the “MODE” button once to return to the monitor display.

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