Troubleshooting - Husqvarna DM 540i Bedienungsanweisung

• Lubricate the drill bit thread with water resistant
grease. This makes it easy to loosen the tool.
• Make sure that the radial run out at the diamond
segments of the drill bit is not more than 1 mm.
To replace the gear oil
CAUTION:
stop the product and speak to an approved
service center. The gear becomes damaged
if the gear oil level is not sufficient.
Troubleshooting of the product
If you cannot find a solution to your problems in this
operator's manual, speak to your HUSQVARNA service
agent.
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.
1567 - 001 - 21.06.2021
If there is gear oil leakage,

Troubleshooting

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.
• Let an approved HUSQVARNA service center
replace the gear oil.
To examine the water connection
CAUTION:
from the water connection ring, the shaft
seals must be replaced immediately.
• Let an approved HUSQVARNA service center repair
the water connection.
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 To prepare the product for wet
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.
If there is a leakage of water
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