Megger PPX30, User Manual, Page: 43 / 84

14. Click on
Lead 1
in the
Run Surge
section.
15. The software will instruct you to turn the power pack’s Test Select switch to Lead 1 . It will then instruct you to
press (and hold) the Test (PTT ) button (or footswitch) on the power pack. Continue to hold down the Test (PTT)
button until the software instructs you to release it.
16. Turn the power pack’s
Voltage Output Control
knob clockwise to ramp up the voltage to the Surge Voltage
level.
17. Release the Voltage Output Control knob when you reach your target, but continue to hold down the Test
(PTT) button until instructed to release it.
Fig 31: Running Surge test on known-good coil, Lead 1.
18. After the software completes its processing, it will instruct you to release the Test (PTT) button.
19. Inspect the waveform and value for L1 in the Peak Voltage area. When you are satisfied that you have a good
baseline, disconnect the power pack’s test leads from the coil and connect the next coil to be tested. A Surge
test is not run on Lead 2 for the first coil.
CAUTION: Ensure that the Leads Energized light on the power pack turns off before removing leads from the coil.
20. Connect the power pack’s test cables to the rest of the coils to be tested (in turn) as described in the table below.
Table 14:
Baker PPX30/30A device under test connections for single-coil Surge testing; all subsequent coils
being tested.
Test Lead 1
Orange Test Lead 2
Brown Test Lead 3
Yellow Ground Lead
Black Black Braided
Safety Lead
Coil lead 2 Coil lead 1 Not Connected Not Connected Earth/station ground
Using Power Packs with Baker AWA Testers
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