Charger 6 / Charger 12
rel. 1.3c -E- english, page
18
of
22
5
Servicing
5.1
Circuit breakers
Fuse type circuit breakers are easily accessible for the service team. Their parameters have been
specified in the table below.
Protected circuit in the power supply
Fuse type and value of
CHARGER 6
Fuse type and value
CHARGER 12
Amplifiers output circuits
– accessible after cover has been dismounted
(Fig. 6 - #2)
6 x 30AF (6,3x32mm)
12 x 30AF (6,3x32mm)
Additional output 24V circuit
(Fig. 6 - #1)
1 x 6.3AF (6.3x32mm)
2 x 6.3AF (6.3x32mm)
Caution: If fuse replacement requires the cover to be removed, it can be done only after
disconnected the mains and from the battery bank.
The VAS system personnel can exchange the above mentioned fuses only. If other circuit breakers
used within the power supply unit are faulty, a repair performed by qualified service personnel is
required. Fig. 6 below presents location of the fuses inside the power supplies.
D
L
10
0
T
R
20
1
P
2
4
8
.2
B
2
00
#1
#2
1
4
1
8
8
7
1
K3
0
1
K
3
00
P
4
3
6
.1
Fig. 6. Location of circuit fuses inside the power supply units.
Attention
The 2U height power supply has two sets of sockets and fuses – the upper one and the lower one. To
access the upper fuses set, the screws that fix the upper shield (A), should be unscrewed. In order to
access the lower set of fuses, the screws (B) needs to be unscrewed and the upper set of fuses and
sockets needs to be raised.
