Huawei ETS2000 Series Maintenance Manual page 40

HUAWEI ETS2000 series Wireless FWT Maintenance Menu
6. Charging fault maintenance procedure
The m achine is on a nd
connects the pow er supply;
Is it to be charged?
N o
Ch eck w h ethe r the battery provid ed by
Hu aw ei is there a nd wh eth er it is fu lly c harge d
Y es
C heck w h ethe r pin 3 o f j30 2 has a volta ge of 12
Y es
Ch eck wh eth er th e fault is cau sed by a pow er fault
re ferring to op eration s in b aseb and fau lt case 1
N o
check wh eth er the third foot of
Q 3 03 is low
Y es
E n d
Figure 4-6
Charging fault maintenance procedure
40
0Chapter4 Maintenance Procedures and S
olutions to Common Faults
N o
Insert H uaw ei抯 recha rgea ble
battery w hich is not full
N o
che ck and repla ce th e prim ary
Y es
N o
ex ternal p ow er
R efer to m a inten ance
m etho ds o f case 1
If the first pin is h igh ,
re place Q 3 03