Husqvarna DXR300, Operator'S Manual

Page: 48 / 60

48 –
English
TROUBLESHOOTING
Warning messages
Message on the display
Indication on the
machine Effect on machine
functions
Cause Possible action
Oil temperature too high.
Machine speed has been
reduced and tool is disabled.
Flashes with the
work lighting and
puts the machine in
circular pumping
mode. The motor is
shut down if the
message is not
acknowledged
within 10 sec.
The machine
deactivates the tool
and reduces the
machine speed with
50%.
The oil temperature
is above 90
°
C
Put the machine into circular
pumping mode to cool the
hydraulic oil.
Clean the cooler
Clean the cooler fan
Check the sensor and cables to
the sensor.
Oil temperature too low.
Machine speed has been
reduced and tool is disabled.
The oil temperature
is below -5
°
C
Allow the machine to warm up
slowly. Warm up the lower
section by running the caterpillar
tracks, first slowly and then more
quickly with the outriggers
extended.
Check the sensor and cables to
the sensor.
Oil pressure is above
allowed limits. Please check
proportional pressure relief
valve.
Oli pressure
exceeds allowed
pressure limit.
Check proportional pressure
relief valve.
Verify pressure regulator by
running a cylinder to end position
for 2 seconds.
Overloading when soft
starting. Check the input
voltage and soft start
settings.
Overload protection
alarm in soft starter. Check the input voltage and the
soft starter settings.
Phase error. Please check:
Incoming phases
Incoming voltages
Machine speed has been
reduced and tool is disabled.
Phase error in
incoming 3 phase
and the motor
temperature is too
high.
Check the voltage level of the
incoming phases, or if a phase
has been lost.
Motor temperature too high.
Machine speed has been
reduced and tool is disabled. High motor
temperature
detected Allow the circulation pump to run
and wait for the temperature to
drop.
No hydraulic pressure
detected. Please check:
Oil level
Motor rotation
The engine is
switched off.
Flash with the work
lighting.
Warns if the
pressure sinks
below 2 bar when
the motor is
running.
Check if the pump produces
pressure.
Check hydraulic fluid level
Check if the motor runs in the
correct direction.
Check Emergency Stop on
machine and safety relay
function.
Emergency stop
pressed on the
machine, faulty
safety relay, safety
relay control circuit
open or no bypass
signal from
softstart. Check the emergency stop on
the machine.
Check bypass signal from
softstart
Check safety relay and its safety
circuit
Check start relay
Terminal lost for more than
120 seconds Prevents starting of
the machine.
The machine has
not been in contact
with the remote
control for 2 min.
The machine flashes 3 times
when the message is
acknowledged.
Oil pressure in circulation
pump mode too high. Please
check circulation valve The oil pressure in
circulation pumping
is too high.
Check the circulation pump valve
(idle valve)