Woo Audio WA5 300B Single-ended Triode User Manual
Page 13

©2011 WOO AUDIO
tm
Inc. All rights reserved.
www.wooaudio.com
Rev 1.0. June 27, 2011
13
The LED and the tubes do not light. 
First check if the AC cord is installed. Then, check if the fuse is burnt. See the following 
instruction on how to replace a fuse. The fuse type is 2-3A, slo-blo. 
 
Insert a small flat 
screwdriver into 
the fuse door 
which located on 
the AC inlet.
Release the fuse 
door by pulling it 
out. 
The fuse holder is 
released from the 
AC inlet.
The fuse is held by 
a clip
.
