Series EJ, ET, EY, FJ & FR
102002-177 Rev M2
26
\1020\02177M2.doc 17 Jun 2019
1.
Remove the top cover from the unit.
BE SURE AC POWER IS
DISCONNECTED AND HV IS DISCHARGED!
2.
Locate the high voltage board, A3 on the right hand side of the chassis (as
viewed from the front).
3.
Locate the polarity card plugged into the high voltage board and observe that
the card is labeled to indicate the installed polarity.
4.
If it is desired to change the polarity of the supply, simply unplug the card, flip
it over, and reinstall carefully.
5.
CAUTION. MAKE SURE THE CARD IS FULLY SEATED!
6.
Replace the top cover.
