Husqvarna DM 220 Manuel D'utilisation page 21

Troubleshooting schedule
If you cannot find a solution to your problems in this
operator's manual, speak to your Husqvarna service
agent.
Problem
The product does not start
when the power switch is
pushed.
The product stops.
The product does not con-
tinue into the surface, de-
creases in speed and stops.
Unwanted material collects
around the hole during oper-
ation.
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 oper-
ate smoothly.
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Troubleshooting
Steps to do im- Possible cause
mediately
If there is a red light on the
PRCD, the current is discon-
nected.
Release the
power switch.
There is a fault with the
current source. The current
is disconnected by the El-
™
gard
The drill bit is blocked. The
current is disconnected by
the Elgard
Too high load causes over-
Release the
load of the motor. The cur-
power switch.
rent is disconnected by the
Elgard
If there is a red light on the
PRCD, the current is discon-
nected.
The diamond segments are
blunt.
The water pressure is too
low.
Release the There are much vibration in
power switch. the product during the oper-
ation.
The seals are worn out and
must be replaced.
The shaft seals are defect.
Decrease the Too high load causes over-
force. load of the motor.
function.
™
function.
™
function.
Solution
Push the "RESET" button on the
PRCD.
If the PRCD disconnects the current
again, speak to an approved Husq-
varna service center.
Do a check of the current source.
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 be
turned easily in the drill hole.
Push the "RESET" button on the
PRCD.
If the PRCD disconnects the current
again, speak to an approved Husq-
varna service center.
Sharpen the diamond segments
with a SiC grind stone.
Increase the water pressure. Refer
Technical data on page 23 .
to
Use correct load when you operate
the product.
Speak to an approved Husqvarna
service center.
Speak to an approved Husqvarna
service center. Make sure to always
use clean water.
Use less force when you drill.
21