Makita DHR400 Manuel D'instructions page 18

Troubleshooting for wireless activation function
Before asking for repairs, conduct your own inspection first. If you find a problem that is not explained in the manual,
do not attempt to dismantle the tool. Instead, ask Makita Authorized Service Centers, always using Makita replace-
ment parts for repairs.
State of abnormality
The wireless activation lamp does
not light/blink.
Cannot finish tool registration / can-
celling tool registration successfully.
Probable cause (malfunction)
The wireless unit is not installed into
the tool.
The wireless unit is improperly installed
into the tool.
The terminal of the wireless unit and/or
the slot is dirty.
The wireless activation button on the
tool has not been pushed.
The stand-by switch on the vacuum
cleaner is not set to "AUTO".
No power supply
The wireless unit is not installed into
the tool.
The wireless unit is improperly installed
into the tool.
The terminal of the wireless unit and/or
the slot is dirty.
The stand-by switch on the vacuum
cleaner is not set to "AUTO".
No power supply
Incorrect operation
The tool and vacuum cleaner is away
from each other (out of the transmission
range).
Before finishing the tool registration/
cancellation;
- the switch trigger on the tool is pulled
or;
- the power button on the vacuum
cleaner is turned on.
The tool registration procedures for the
tool or vacuum cleaner has not finished.
Radio disturbance by other appliances
which generate high-intensity radio
waves.
18 ENGLISH
Remedy
Install the wireless unit correctly.
Gently wipe off dust and dirt on the terminal of the
wireless unit and clean the slot.
Push the wireless activation button on the tool
briefly.
Set the stand-by switch on the vacuum cleaner to
"AUTO".
Supply the power to the tool and the vacuum
cleaner.
Install the wireless unit correctly.
Gently wipe off dust and dirt on the terminal of the
wireless unit and clean the slot.
Set the stand-by switch on the vacuum cleaner to
"AUTO".
Supply the power to the tool and the vacuum
cleaner.
Push the wireless activation button briefly and
perform the tool registration/cancellation procedures
again.
Get the tool and vacuum cleaner closer to each
other. The maximum transmission distance is
approximately 10 m however it may vary according
to the circumstances.
Push the wireless activation button briefly and
perform the tool registration/cancellation procedures
again.
Perform the tool registration procedures for both the
tool and the vacuum cleaner at the same timing.
Keep the tool and vacuum cleaner away from the
appliances such as Wi-Fi devices and microwave
ovens.