Troubleshooting - Husqvarna DC 6000 Operator's Manual

Troubleshooting

WARNING! Most accidents involving machines occur during trouble shooting, service and
!
maintenance as staff have to locate themselves within the machine's risk area. Prevent accidents
by being alert and by planning and preparing the work.
The engine should be switched off during operations described in this chapter unless otherwise
stated.
All checks involving electric components should only be performed by a licensed electrician.
Problem
The machine does not start
The machine makes a low humming
sound when switched to ON
The machine is blowing instead of
sucking when on a different power
source
The machine will run but there is not
power at the accessory power outlet
The machine does not have much
suction
The machine is blowing dust out the
exhaust
Purge does not clean filter and/or
does not work.
Compressor running continuously.
*If there are large amounts of dust in the filter housing it means that there is some kind of problem with the filter.
18 – English
TROUBLESHOOTING
Possible Cause
The machine has no incomming or
outgoing power.
Damaged cables.
Circuit breaker has triggered.
Phase error. Only two phases
present. Switch off machine
immediately to aviod motor burn-out.
Dust in the motor impellers.
Burned out motor.
Phase relay fault.
Unit not correctly connected.
Contact problems in electrical
cabinet.
The filter is blocked
Cyclone is clogged.
The filter is not correctly fitted.
The filter has become detached.
Holes or perforations in the cone
filter.
Compressed air hose has come
loose or broken.
Filter on compressor is clogged.
Filter on compressor is clogged.
Possible action
Check that the power cable is connected
and the machine turned on.
Have a licensed electrician check the
presence of power at the top of the left
side contactor. If no power at the
contactors, test for presence of power at
the power source.
Contact a licensed electrician.
Make sure the circuit breaker is active.
Contact a licensed electrician.
Contact a licensed electrician.
Contact your service agent.
Unplug the machine and have a
licensed electrician change L1 and L3
on the motor and test for suction to
confirm failed phase relay.
Check that the unit is correctly
connected and properly powered up.
(Eg. safety breaker and emergency stop
are in the correct position on the
grinder.)
Contact a licensed electrician.
Clean or replace the filter.
Use compressed air or a brush to clean
the cyclone screw and container.
Ensure the filters are fitted correctly.
Ensure the filters are fitted correctly.
Replace the filter.
Check the hoses from the compressor,
pressure switch and purge tank.
Clean or change the filter on the
compressor.
Clean or change the filter on the
compressor.