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CONTENTS
5.1 MAINTENANCE AND CLEANING
ALS
20x
256
GB
5.1.1 Replacing fuses
This section counts only for ALS20X. The fu-
ses at the ALS256 cannot be replaced.
WARNING!
The machine operates using mains voltage!
Touching live electrical parts may expose
you to hazardous electrical currents and
may lead to burns.
£ Make sure that the machine is switched
off and the power cable is unplugged
before removing the fuse insert.
CAUTION!
Risk of fire, if a wrong fuse type is inserted.
£ Only replace fuses with the type and
rating specified in this manual.
The F1 and F2 fuses protect the primary side of
the transformer. At any given time, only one of
the two fuses is active. Which fuse is active
depends on the switch setting of the voltage
selector switch.
[49] Relation between the switch setting of the voltage selector
switch and the active fuse.
The CPU board and sensors are protected by a
separate fuse in the switching power supply that
must/may never be replaced.
If either of the two fuses is not working properly, only
the drive motors are affected; the display and sensors
continue to operate as normal.
Tool: Screwdriver
£ Turn off the unit. Unplug the power cable.
£ Rotate the fuse holder a few degrees anticlockwise.
– The fuse holder pops up.
£ Take the fuse out of the fuse holder.
£ Replace defective fuse.
£ Replace the fuse holder and rotate it clockwise,
while applying light pressure, until the slot is
vertically positioned.
Required fuse type:
– T5AH 250 V
[50] Fuse holder (A) of the ALS 20x.
Active fuse Mains voltage Switch setting
F1 230V 230
F2 110V 115
A
5 AFTER OPERATION
5.1 MAINTENANCE AND CLEANING