Novametrix Medical Systems OXYPLETH 520A, Руководство по обслуживанию

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5-Jun-01 Model 520A Service Manual
51
PRELIMINARY
12
Functional Test
Introduction
12.1
The test verifies overall functional integrity
1
of the monitor and sensors. If the
monitor or sensors do not pass these tests, remove from use and contact the
Novametrix Service Department for repair/replacement assistance.
This procedure assumes the technician performs each step as indicated - leaving the
monitor in a known state prior to performing the next step. If steps are omitted or
performed out of order, be sure that the monitor is set to the correct state beofre
continuing.
Monitor Functional Test
12.2
12.2.1
Equipment Required:
Model 520A to be tested
AC Mains Line Cord (supplied with monitor)
Finger Sensor (Cat. No. 8776) or Y-Sensor™ (Cat. No. 8791)
12.2.2
Visually inspect the monitor and line cord. Verify there is no external
damage. Shake the unit to check that there is no loose hardware inside.
12.2.3
Inspect the sensor(s). Verify mechanical integrity.
12.2.4
Check the rear panel power entry module. Verify that it is set to the proper
voltage.
12.2.5
Set the AC Mains switch to the “0” (Off) position. Connect the line cord
to the monitor and to the AC Mains.
12.2.6
Verify the (AC Mains) indicator is not illuminated.
12.2.7
Set the AC Mains switch to the “|” (On) position. Verify the indicator
illuminates.
12.2.8
Depress and hold the
ALERT RESET
key. Press the front panel
POWER
key
then release both keys. The monitor will;
• Briefly illuminate all displays and indicators
2
• Produce an audible “beep” indicating the audio is operational
1. See Section 13,
Accuracy Test
, on page 55 for tests that check the accuracy of the monitor.
2. The AC indicator will illuminate only when the monitor is connected to line power and the rear
panel Power switch is On (|).