Husqvarna DM 540i Operator's Manual page 20

Problem
The motor does not start when
the power trigger is pushed.
The product stops.
The drill bit decreases in
speed and stops.
Unwanted material collects
around the hole during opera-
tion.
The diamond segments on the
drill bit are pulled out of their
bond.
There is a leakage of gear oil.
There is a leakage of water
from the hole on the water
connection ring.
The product does not operate
smoothly.
Troubleshooting of the user interface
LED screen Possible faults
The warning indi- Temperature deviation.
cator flashes.
Overload. The drill bit cannot move.
The power trigger and the On/Off button are
pushed at the same time.
The green LED Low battery voltage.
flashes.
The warning indi- Servicing is necessary.
cator is on.
20
Steps to do im- Possible cause
mediately
There is a fault with the
battery.
The drill bit is blocked.
Too high load causes over-
load of the motor.
The diamond segments are
blunt.
Release the
The water pressure is too
power trigger.
low.
There is much vibration in
the product during the op-
eration.
The seals are worn out and
must be replaced.
The shaft seals are defec-
tive.
Decrease the Too high load causes over-
force. load of the motor.
Solution
Do a check of the battery.
Turn the drill bit right and left, use a
wrench. Carefully remove the prod-
uct from the drill hole.
Make sure that the drill bit can rotate
easily in the drill hole.
Sharpen the diamond segments
with a SiC grind stone.
Increase the water pressure. Refer
To prepare the product for wet
to
drilling on page 16 .
Use correct load when you operate
the product.
Speak to an approved HUSQVAR-
NA service center.
Speak to an approved HUSQVAR-
NA service center. Always use clean
water.
Use less force when you drill.
Possible solution
Let the product become cool.
Release the drill bit.
Release the power trigger and then push the
On/Off button.
Charge the battery.
Speak to your servicing dealer.
1567 - 001 - 21.06.2021