Maintenance
5
Keysight U1211A, U1212A, and U1213A User’s and Service Guide
81
Troubleshooting
If the clamp meter fails to operate, check the battery and test leads. Replace them
if necessary. After that, if the instrument still does not function, check to ensure
that you have followed the operating procedures given in this instruction manual,
before considering servicing the clamp meter.
When servicing the instrument, use only the specified replacement parts.
will assist you in identifying some basic problems.
WARNING
To avoid electrical shock, do not perform any servicing unless you are
qualified to do so.
Table 5-1
Basic troubleshooting procedures
Malfunction
roubleshooting procedure
No annunciator display after switching
on
Check battery. Replace battery if necessary.
No beeper tone
Check the setup mode menu to verify whether the beeper function has been set to
off. If so, select the desired driving frequency.
Содержание U1211A
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