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doble M4200c User Manual

doble M4200c
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Avoiding Problems
4-16 72A-1230 Rev. F
July 22, 2005
Troubleshooting from Error Messages
The M4000 Insulation Analyzer automatically recognizes certain exception
conditions and displays corresponding error messages to the operator. Most
error messages that pertain to the M4100 are numbered. These are described
below.
NOTE A complete list of all M4000 error messages appears in Appendix C.
A few messages that point to very simple problems can be displayed, such as
not having the M4100 turned on, not having it connected to the M4200c (or
your laptop), or attempting to energize a specimen that is at ground potential.
Other, less obvious messages are addressed below.
Error messages are listed in numerical order, followed by one or more
suggested actions to take in response to the message. A Help button is also
available in each displayed message box to provide guidance on suggested
causes and cures.]
Table 4.5 Error Messages
# Error Message Suggested Action
20 Watchdog Reset
Error
1. After installing new software and when
performing the first test thereafter, an
interruption in firmware download may
have occurred (i.e. the test set was
turned off while the message,
“Downloading Firmware” was
displayed. See ”M4000 Software”
on page 2-1).
2. If performing an excitation current test,
repeat the test at a lower voltage.
3. If testing with a portable power supply,
stabilize the supply by preloading it with
a space heater or similar load.
4. Reload the old version of software, then
the new version again (see ”M4000
Software” on page 2-1).
28 Earth Ground
Open
1. Connect the M4000 to ground.
2. Connect the M4000 ground to the same
ground as the system’s AC power
source.

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doble M4200c Specifications

General IconGeneral
Branddoble
ModelM4200c
CategoryMeasuring Instruments
LanguageEnglish

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