Starting Operation

Switching on/off

To start the power tool, press the on/off switch (1).

GEX 12V-77: Press the locking mechanism (8) to lock the pressed on/off switch (1) in this position.

To switch off the power tool, release the on/off switch (1); or, if the switch is locked (as with GEX 12V-77), briefly press the on/off switch (1) and then release it.

LED Displays

The following table explains the possible LED displays (4).

Colour

State

Meaning/cause

Solution

White

Continuous light
(1 x to 5 x)

Speed preselection

see Speed Preselection

Green

Continuous light
(2 x to 5 x)

Battery charged

see Battery charge indicator

Yellow

Continuous light
(1 x)

Battery almost empty see Battery charge indicator

Replace or charge battery soon

Flashing light
(5 x)

Critical temperature has been reached (motor, electronics, battery)

Run the power tool at no load and allow it to cool down

Red

Continuous light
(1 x)

Battery empty see Battery charge indicator

Replace or charge battery

Flashing light
(5 x)

Power tool is overheated and will switch off

Leave the power tool to cool down and switch it on again

Power tool is jammed and will switch off

Rectify the blockage and switch the power tool on again

The spindle lock is activated and the power tool will switch off

Deactivate the spindle lock and switch the power tool on again