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Weller WD 3M Manuel D'instructions page 24

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6-18
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Equipotential bonding
Due to the different circuits in the 3.5 mm switch jack socket (25), 4
variations are possible:
Hard earthed: without connector (delivery status)
Equipotential bonding: with connector, bonding line at central
contact
Floating: with connector
Soft earthed: with connector and soldered-in resistor, earthing via
the selected resistor
USB port
The control unit is fitted with a mini-USB port (22). For use of the
USB port, you will be provided a Weller software CD, which you can
use
to carry out a software update ("Firmware Updater") at your
control unit,
remotely control the control unit and graphically display, save and
print out temperature curves ("Monitor software").
A green USB LED (3) indicates that the USB connection is active.
The red USB LED lights up for approx. 10 s if the connection is
interrupted.
5 Starting up the device
1. Carefully unpack the device.
2. Connect the soldering tools as follows:
Insert the soldering tool with attachment plug in connection
socket ┌ 1 ┐, ┌ 2 ┐ or ┌ 3 ┐ (13) of the repair station and lock by
turning clockwise slightly.
3. Place the soldering tools in the safety holder.
4. Check whether the mains supply voltage matches that indicated
on the rating plate and whether the mains power switch (12) is
off.
5. Connect the control unit to the mains supply (24).
6. Switch on the device at the mains power switch (12).
After the device has been switched on, the microprocessor carries
out a self-test in which all the segments are briefly in operation.
Following this, the electronics system switches automatically into
temperature basic setting (350 °C) for all channels. The green
LED (2) lights up in the case of activated channels that are in use:
LED lit green constantly indicates that the connected tool is being
heated up.
LED flashing green indicates that the preselected tool temperature
has been reached.
Active channels are indicated in the display with a triangle (19) and a
lightning symbol (18).
Note
The maximum output power is limited to 400 watts.
WD 3M

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