Husqvarna DXR140 Operator's Manual page 50

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