Keysight U1253B Guía Del Usuario Y Servicios página 162

Maintenance 5
Troubleshooting
To avoid electric shock, do not perform any servicing unless you are qualified
WARNING
to do so.
If the instrument 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 instrument.
When servicing the instrument, use only the specified replacement parts.
Table 5-5 on page 162 will assist you in identifying some basic problems and
their solutions.
Keysight U1253B User's and Service Guide 161