User`s guide
EX430-EU-EN v5.5 08/13 
16
REPLACING THE FUSES 
WARNING: To avoid electrical shock, disconnect the meter from any circuit, remove the test leads 
from the input terminals, and turn OFF the meter before opening the case. Do not operate the meter 
with an open case. 
1.  Disconnect the test leads from the meter. 
2.  Remove the protective rubber holster. 
3.  Remove the battery cover (two “B” screws) and the 
battery. 
4.  Remove the four “A” screws securing the rear cover. 
5.  Lift the center circuit board straight up from the 
connectors to gain access to the fuse holders. 
6.  Gently remove the old fuse and install the new fuse 
into the holder. 
7.  Always use a fuse of the proper size and value 
(0.5A/250V fast blow for the 400mA range, 
20A/250V fast blow for the 20A range). 
8.  Align the center board with the connectors and gently press into place. 
9.  Replace and secure the rear cover, battery and battery cover. 
WARNING: To avoid electric shock, do not operate your meter until the fuse cover is in place and 
fastened securely. 
UL LISTED 
The UL mark does not indicate that this product has been evaluated for the accuracy of its readings. 
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