72A-1230 Rev. F 4-1
July 22, 2005
4. M4100 Instrument Troubleshooting
Assigning A Trouble To The M4100 Instrument (Or The M4200c Con-
troller)
This section is intended to guide the operator’s initial steps in troubleshooting
problems with the performance of the M4000 Insulation Analyzer. It outlines
the resources available for diagnosis of problems and points to specific
information in this chapter, or to the M4200c Controller manual. The overall
purpose of this chapter is to support user personnel in diagnosing and fixing a
majority of the difficulties that might be encountered in the field.
NOTE If it is clear that a problem is associated with the M4200c Controller, refer
to the M4200c Controller manual. If it is clear that a problem is associated
with the M4100 Instrument, continue through this chapter. If there is
doubt as to the cause of a problem, proceed to the next page.
Doble’s Customer Service staff is always available to support its
customers if more guidance is required.
Quick Checks
Certain problems are very common and attributable to operator error or
mishandling. Before investigating more complex causes of observed
problems, run through the following list to determine if a simple oversight is
the cause of trouble:
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