Troubleshooting
megger.com 131
If you answer any of these questions with “yes,” the unit is probably operational and indicates
an open AC line ground connection.
In the case of numbers 1 through 3 above, use an outlet tester to assure proper wiring
connections to the outlet. For number 4, if possible, use a two-wire (with ground) extension
cord. For number 5, or any of the conditions noted above, use a grounding strap to a good
earth ground.
In the case of number 5, call the Service department for assistance. There is an override
available, but you should take precautions.
Limited Output Surge Waveform
The display shows a limited output (amplitude) surge waveform. The display rises normally but
stops at some point. Alternatively, continually increase the output control for successive tests to
achieve the same output test amplitude.
Call the Service department immediately for assistance on this or any other abnormal condition
noted. Please record basic information from the tester and the specific problem prior to calling.
Warranty Return
Please review the warranty note and shipment sections at the beginning of this manual before
sending the tester to Megger for warranty repair.
You must fill out and return the Warranty Return Form on the following page with the
tester to obtain warranty service. This form will help Megger identify the problem, quickly
repair the unit, and return it.
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