KaVo ORTHOPANTOMOGRAPH OP 3D Service Manual page 158

8 Part replacement instructions
3. Measurement in power ON condition.
a) Power on the unit and wait it to complete the start up sequence.
b) Record the leakage current reading given by the MD.
4. Measurement in power OFF condition with opposite polarity of the mains plug.
a) Power down the unit.
b) Turn the mains power supply cord plug to opposite polarity.
c) Record the leakage current reading given by the MD.
5. Measurement in power ON condition with opposite polarity of the mains plug.
a) Power on the unit and wait it to complete the start up sequence.
b) Record the leakage current reading given by the MD.
6. Check that the measured leakage current value in any of the cases measured is less
than 500uA.
Insulation resistance
The insulation resistance test is not required.
Results of tests and evaluation
All tests performed must be documented comprehensively. The set of documentation
must contain the following data, at the minimum:
• identification of the testing body (company, department)
• the name(s) of the person(s) who has/have performed the testing and the
evaluation(s)
• identification of the equipment/system (type, serial number, inventory number) and
the accessories tested
• tests and measurements
• date, type and outcome/results of visual inspections:
• measurements (measured values, measuring method, measuring equipment),
functional testing
• functional testing
• concluding evaluation
• date and confirmation of the individual who performed the evaluation
• if applicable (decided by the responsible organization), the equipment/system tested
must be marked /identified accordingly.
158 ORTHOPANTOMOGRAPH
™
OP 3D