Husqvarna DC5500, Руководство оператора

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14 –
English
TROUBLESHOOTING
Troubleshooting
*If large ammounts of dust is present in the secondary filter housing this indicates a problem with the primary filters.
!
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 Possible Cause Possible action
The machine will not run
The machine has no incomming or
outgoing power.
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.
Damaged cables. Contact a licensed electrician.
The machine makes a low
humming sound when switched to
ON
Phase error. Only two phases
present. Switch off machine
immediately to aviod motor burn-
out.
Contact a licensed electrician.
Dust in the motor impellers. Contact a licensed electrician.
Burned out motor. Contact your service agent.
The machine will only run in one
direction
Problem with the FWD/REV relay
mechanism.
Contact a licensed electrician.
Problem with a contactor. Contact a licensed electrician.
The machine is blowing instead of
sucking when on a different power
source
Problem with the phase relay or
only one active contactor.
Unplug the machine and have a licensed
electricial change L1 and L3 on the motor and
test for suction to confirm faild phase relay.
The machine will run but there is
not power at the accessory power
outlet
Unit not correctly connected.
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.)
No power at the accessory power
outlet.
Contact a licensed electrician.
The machine does not have much
suction
Secondary filters blocked with
dust.
Clean or replace filters.
Dust flap not sealing correctly.
Adjust flap in the bottom of collection cone to
proper closing. If the flap is not functioning the
filters will be blocked by dust sucks.
The machine is blowing dust out
the exhaust
Secondary filters not properly
installed.
Ensure the filters are fitted correctly.
Secondary filters need replacing. Replace filters.*
One of the primary filters has
come loose.
Ensure the filters are fitted correctly.
Holes or perforations in the
primary filters. Small holes can be repaired/patched using
silicone sealant.