Bosch SL 2450 C Fehlersuch– Und Reparaturanleitung Seite 13

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.
6
Connect the charger to the
mains via the isolating
transformer
Set the selector switch to
" 12 V"
„Mains on" lights
no
?
yes
Set the selector switch to 0
Connect the test battery
Set the selector switch to
" 12 V"
Ammeter
indicates current flow
no
?
yes
Set the selector switch to 0
Disconnect the mains plug
Disconnect the test battery
7
8.2
English
Set the selector switch to 0
Disconnect the mains plug
7
8.1
Set the selector switch to 0
Disconnect the mains plug
Disconnect the test battery
7
8.4
7 Opening the charger
Important Risk of lethal injury !
High electrical voltages
F Troubleshooting and repair may be carried out
only by a qualified electrician.
F Before opening the unit, check that all safety and
precautionary measures have been taken.
F The unit must remain disconnected from the
supply voltage before opening and during repair.
1) Disconnect the mains plug
2) Place the charger face down (handles)
3) Unscrew the 6 screws on the sides of the housing
4) Swivel the orange-colored housing section up and
back and pull it off downwards
(in the direction of the wheels)
8 Test steps
The test conditions must have been fulfilled
and both the preliminary test must have
been conducted with the unit closed and the
preparations for testing must have been
carried out before starting troubleshooting.
If tests can be conducted only when live, the
charger must be connected to the mains via
an isolating transformer. Take extreme care
in such cases.
After the preliminary test with the unit closed, start with
the test step determined during the preliminary test and
continue with the other test steps as specified in the
relevant test flowcharts.
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