Idiomas disponibles
Idiomas disponibles
4
Service and Maintenance
Table 4-1
Basic troubleshooting hints
Mal function
No LCD display after power ON
No beeper tone
Failed on current measurement
When servicing, use the specified replacement parts only. The
the replacement part numbers.
Table 4-2
List of replacement part numbers
Part number
2110-1400
2110-1402
U1241-46400
5190-2573
58
Identification
– Check the battery polarity and replace batteries if necessary.
Ensure that the replaced batteries are new batteries, it is
recommended not to mix old batteries with new batteries.
– Check setup mode and verify if the beeper is set to OFF.
Then select the desired driving frequency.
– Check the fuse.
Description
Fast blow fuse 1000 V, 0.44 A (10 mm x 35 mm)
Fast blow fuse 1000 V, 11 A (10 mm x 35 mm)
Battery cover (without screw)
Battery cover screw
Keysight U1241B and U1242B User's and Service Guide
Table 4-2
shows
