Bosch LW 30 E Manual Del Usario página 16

16
8.4 Testing the rectifier
8.4
Connect the charger to the
mains via the isolating
transformer
Set mains switch to "I"
:
Terminals 3/4
approx. 22 V DC
yes
?
no
Set mains switch to "0"
Disconnect the mains plug
Disconnect the POSITIVE
terminal of the capacitor
C1 from the rectifier
Connect the charger to the
mains via the isolating
transformer
Set mains switch to "I"
:
Terminals 3/4
approx. 15 V DC
no
?
yes
Set mains switch to "0"
Disconnect the mains plug
Exchange capacitor C1
9
English
Set mains switch to "0"
Disconnect the mains plug
8.5
Set mains switch to "0"
Disconnect the mains plug
Reconnect the capacitor
C1 to the rectifier
Test and, if necessary,
exchange the rectifier and
supply leads to the rectifier
8.5 Testing the relay K1
8.5
Disconnect the mains plug
Disconnect terminals 1
and 2 from relay K1
:
Resistor terminals 1/2
approx. RΩ no
?
yes
Apply external voltage
12 V DC to the relay coil
:
Resistance
terminals 1/2
no
approx. 0 Ω
?
yes
Reconnect terminals 1 and
2 on the relay K1
8.6
Exchange the relay K1