Troubleshooting - Husqvarna DC 655 Operator's Manual

Problem
The filter cleaning
system does not op-
erate correctly.
The motor is on but
there is no suction.
The indicator for
phase sequence con-
trol is on.
The indicator for mo-
tor failure is on.
Dust comes out in
the air from the air
flow hatch.
Unusual noises
comes from the prod-
uct.
The pressure in the
pressure tank is less
than 7 bar.
2061 - 001 - 13.02.2023

Troubleshooting

Cause
There is no pressure or not sufficient pres-
sure in the pressure tank.
There is too much moisture in the pressure
tank.
The Programmable Logic Controller (PLC)
does not operate correctly or the settings are
incorrect.
The primary filters are dirty.
There is a leakage in the dust collection sys-
tem.
The dust extraction hose is incorrectly instal-
led or damaged.
The tension of the V-belt is incorrect.
The phases are incorrect.
The motor protection switch releases be-
cause of motor overload.
The primary filters are damaged or incorrect-
ly installed.
There are loose screws and nuts.
There is a fault with the bearings.
The air flow hatch is damaged.
The HEPA filter is damaged.
The filter for the water separator is dirty or
damaged.
The filters for the compressor are dirty or
damaged.
There is a leakage in the tubes.
The control valve is damaged.
Solution
Do a check of the pneumatic system.
Clean the compressor filters. Refer to
clean the compressor filters on page 17 .
Remove all moisture from the pressure tank.
To drain the water from the pressure
Refer to
tank on page 15 .
Speak to an approved service agent.
Clean the primary filters. Refer to
the primary filters on page 18 . Replace the
primary filters if it is necessary. Refer to
replace the primary filters on page 19 .
Do a check of the dust storage system for
seals and leakages. Replace if it is necessa-
ry.
Do a check of the dust extraction hose. Re-
place if it is necessary.
Do a check of the tension of the V-belt.
Change the phase sequence. Refer to
the correct phase on page 11 .
Make sure that you use the correct power
supply.
Let an electrician do a check of the fault.
Do a check of the primary filters. Replace if it
To replace the primary
is necessary, refer to
filters on page 19 .
Tighten all screws and nuts.
Speak to an approved service agent.
Do a check of the air flow hatch. Replace if it
is necessary.
Do a check of the HEPA filter. Replace if it is
necessary.
Clean the filter for the water separator. Re-
place if it is necessary.
Clean the filters for the compressor. Replace
if it is necessary.
Speak to an approved service agent.
Speak to an approved service agent.
To
To clean
To
To set
21