User Manual
1587 FC/1587/1577 
Users Manual 
32 
Battery and Fuse Replacement 
Replace the fuse and batteries as shown in Table 10. 
Follow the steps below to replace the batteries. 
Warning 
To prevent possible electrical shock, fire, or 
personal injury: 
•  Replace the batteries when the battery 
indicator () shows to prevent incorrect 
measurements. 
•  Replace a blown fuse with exact 
replacement only for continued protection 
against arc flash. 
•  Do not operate the Product with covers 
removed or the case open. Hazardous 
voltage exposure is possible. 
•  Remove the input signals before you clean 
the Product. 
•  Have an approved technician repair the 
Product. 
1.  Turn the rotary switch to OFF and remove the test 
leads from the terminals. 
2.  Remove the battery door by using a standard 
screwdriver to turn the battery door lock until the 
unlock symbol aligns with the arrow. 
3.  Remove and replace the batteries. 
4.  Replace the battery door and secure by turning the 
battery door lock until the lock symbol aligns with the 
arrow. 
Table 10. Fuse and Battery Replacement 
F440 mA 1000V
Min interrupt rating
10 000 A
bav15f.eps
Description Part Number 
Fuse, Fast, 440 mA, 1000 V, Min Interrupt 
Rating 10000 A 
Fluke PN 943121 
Battery, 1.5 V AA Alkaline, NEDA 15A, 
IEC LR6 
Fluke PN 376756 










