Bosch LW 30 E Manual Del Usario página 13

Charging of exhausted batteries and back-up mode
Charging current (constant):
Cut-in voltage range:
Minimum battery voltage
Cut-in protection in the case of incorrect polarity
(reverse-polarity voltage >1 V)
No cut-in protection if the charging clips are opened or in
the event of short circuit.
Rated current consumption:
Rated power consumption:
5 Preparations for testing
5.1 Test conditions
Mains voltage
(via isolating transformer)
Mains frequency
Ambient temperature
5.2 Test equipment and measuring tools
Isolating transformer
U
prim
U
sec
P
min
E
sec
Multimeter
(2 ea. required):
Measuring ranges:
V ~
A ~
V =
A =
R
Variable measuring shunt:
Range
Load rating
Test battery:
Rated voltage
Rated capacity
Charge state approx. 20% of the rated capacity
English
max. 1 to 30 A
arithm/rms
0 V
0.8 A
70 VA
230 V ±10%
50 Hz -15%
20 °C + 5 °C
230 V
rms
230 V
rms
800 W
M4A (T4A)
0 – 300 V (Ri 1000 kΩ)
0 – 40 A
0 – 20 V (Ri 1000 kΩ)
0 – 40 A
Ω
0 –
0.4 Ω – 7.0 Ω
500 W
12 V
min. 66 Ah
6 Tests with charger closed
Please note Section 5 "Preparations for
testing" before starting troubleshooting and
repair.
Then start at the test step determined in the test flowchart
below and continue with the other test steps as specified
in the relevant test flowcharts.
Set mains switch to "0"
Disconnect the mains plug
Check and, if necessary,
exchange external mains,
external fuse, socket,
mains plug, supply lead,
device fuse.
Connect charger to the
mains via the isolating
transformer
Set mains switch to "I"
One
indicator lamp
yes
lights
?
no
Fan operating ?
yes
no
Set mains switch to "0"
Disconnect the mains plug
7
8.1
13
6
Connect charger to the
mains via the isolating
transformer
Set mains switch to "I"
One
indicator lamp lights and
no
fan operating
?
yes
9
Direction
of fan rotation correct
(blows air out of the
unit)?
no
Set mains switch to "0"
Disconnect the mains plug
7
8.7
Set mains switch to "0"
Disconnect the mains plug
7
8.2
Set mains switch to "0"
Disconnect the mains plug
7
8.3
yes