Husqvarna DM400, Operator'S Manual

Page: 8 / 648

fault occurs. Refer to
Technical data on page 18
for
information about at which current the PRCD engages.
The red light shows that the PRCD is on and that the
machine can be started. If the red light does not show,
push the RESET button.
To examine the PRCD
WARNING: Not applicable for 100-120V
type sold in United Kingdom and Ireland,
refer to
PRCD on page 7
.
WARNING: The PRCD must be examined
each time the power plug is connected to
the mains.
WARNING: If the PRCD must be repaired,
always speak to an approved Husqvarna
service agent.
1. Connect the power plug of the product to the mains.
2. Push the "RESET" button. A red light above the
button shows that the current is connected.
3. Start the product, refer to
To start the product on
page 12 .
4. Push the "TEST" button. If the product stops, the
PRCD operates correctly.
ON/OFF switch
The ON/OFF switch is used to start and stop the
product.
To examine the ON/OFF switch
1. Connect the power plug of the product to the mains.
2. Set the ON/OFF switch to "1" to start the product.
3. Set the ON/OFF switch to "0" to stop the product.
Friction clutch
The friction clutch is integrated in the gearbox of the
product. It prevents damage to the product if the drill bit
stops during operation. If the load is too high, the friction
clutch is released and stops the drill spindle but keeps
the motor on for some seconds. The friction clutch
8 1188 - 005 - 08.01.2020