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On the Iso-Gard Line Isolation Monitor IG6, What does EF Extreme Fault indicate?

Issue:
How to troubleshoot the Extreme Fault indicator  EF on a IG6 LIM?

Product Line:
LIM, Line isolation Monitor

Environment:
IG6M, IG6

Cause:
Display shows Extreme Fault

Resolution:
There are some circuits that are not always compatible with the LIM in the panel. To find those circuits, turn each breaker off one at a time and let  the LIM recycle until they find the circuit that has the issue. If that does not work they will need to replace the LIM.
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