2.1.2 Cleaning the Interior of the Light Enclosure
The cooling fan in the light enclosure will cause a buildup of dust on the components within. A
Biomedical Equipment Technician should clean the inside of the light enclosure. Cleaning
frequency should be determined by visual inspection of the interior. Frequency will vary
depending on the environment.
2.2 Safety
Testing
The safety tests meet the standards of, and are performed in accordance with, IEC 60601-1,
Amendment 1, Amendment 2, and UL 2601-1, for instruments as Class 2 and TYPE BF and
ANSI/NFPA Standard 99.
Note: The power supply has a functional earth for electromagnetic compliance.
Applicable tests for these standards are listed below (Tables 2.1 & 2.2). Technicians must be
familiar with the standards applicable in the technician’s institution and country. Test equipment
and its application must comply with the applicable standard.
TABLE 2.1
Power Cord Ground Integrity
TABLE 2.2
Earth Leakage Current
Maximum Current Limits are listed below for each test and standard.
TABLE 2.1
Power Cord Ground Integrity
100 milliohms or less
TABLE 2.2
Earth Leakage Current
AC Line Cord
Polarity
Line Cord
Neutral Cord
IEC 60601-1
UL 2601-1 ANSI/NFPA
99
Normal
Closed
Closed
500 µA
300 µA
Reversed Closed Closed 500
A
300 µA
Normal
Open
Closed
1000 µA
500 µA
Normal
Closed
Open
1000 µA
500 µA
2.3
Performance Verification
This section discusses the tests necessary to verify UUT performance.
Verifying General Performance (Section 2.3.1)
Adjusting the Light Intensity (Section 2.3.2)
All tests can be conducted without removing the UUT light 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.
neoBLUE
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mini System Service Manual
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