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TEST PROCEDURES
6.2 With the tester set to the above parameters, perform the test. If the unit fails, remove the top
cover and repair the problem. Once the unit is repaired, repeat the Hi-Pot and the ground bond
test to ensure the unit is safe to return to the customer.
7. Ground Bond Test
Note: This test only needs to be performed if the ground wire to the chassis from the AC IEC
connector or the power supply on the inside of the chassis of the unit has been removed or
disturbed as part of a repair. If it has not, this test does not need to be performed.
This test measures current handling capability between the ground blade on the AC inlet or
mains plug and the earth bond point on the rear of the chassis.
Test Parameters:
10A,
< 12VAC open circuit, < 0.1 Ohms from AC earth terminal on IEC connector in chassis, to
earth bond point on rear of chassis.
7.1 Connect the AC mains cord to the back of the unit under test. Plug the other end of the
AC cord into the ground bond test box.
7.2 With the tester set to the above parameters, perform the test. If the unit fails, remove the top
cover and repair the problem. Once the unit is repaired, repeat the Hi-Pot and the ground bond
tests to ensure the unit is safe to return to the customer.
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