natus neoBLUE, Service Manual

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Chapter 2 Routine Maintenance Procedures
2.3 Performance Verification
This section discusses the tests used to verify UUT performance
•
Verifying general performance (Section 2.3.1)
•
Checking the light intensity (Section 2.3.2)
All tests can be conducted without removing the UUT enclosure. If the UUT fails to conform or cannot be
adjusted to conform, repairs must be made to correct the problem before the instrument is returned to the
user.
T
ABLE
2-4 E
QUIPMENT
Tools and test equipment Type
Screwdriver Phillips, medium
Radiometer neoBLUE Radiometer or equivalent (see Note below)
Potentiometer adjustment tool GC Electronics 8608 or small flat head screwdriver
Allen wrench 5/16” 90 degree or equivalent
Safety glasses Amber
Work pad Any non-abrasive non-static surface
Note: If a different radiometer is used, please refer to the Conversion Chart in chapter 6 . If the
meter is not listed, please contact Natus Technical Service before adjusting light intensity..
2.3.1 Verifying general performance
1
Turn off the Illuminated On/Standby switch and disconnect the AC power cord.
2
Remove the UUT from its roll stand by removing the thumbscrews, seen in Figure 1-2 on page 6.
3
Place the UUT on the work pad so the diffuser/LED light panel can be examined. Verify that the air
vents, Figure 2-1, are not blocked.
4
Connect the AC power cord to the UUT and to an AC receptacle.
WARNING It is strongly recommended the amber safety glasses be worn
at this time. Some people are affected by the blue color of the
light source. The technician should notify others in the
immediate area of this fact.
5
Place the light intensity rocker switch in the LOW position. Figure 1-1 on page 6 shows the location of
the rocker switches.
6
Turn on the lighted On/Standby Switch.
7
Verify that the enclosure fans are running.
16
neoBLUE LED Phototherapy System Service Manual
PN 001320 Rev K