Troubleshooting Table - Hilti VC 40H-X Manual De Instrucciones

10.1

Troubleshooting table

Malfunction
Class M and class H
vacuum cleaners: Acoustic
warning (of reduced suction)
Dust is blown out of the appli-
ance.
The appliance switches it-
self off or on inadvertently or
static electricity discharges
through the user.
The appliance doesn't start or
switches itself off after a short
time.
The motor doesn't restart.
The motor doesn't run when
set to "AUTO".
The automatic filter element
cleaning system doesn't
work.
11 Disposal
Most of the materials from which Hilti products are manufactured can be recycled. The materials must be
correctly separated before they can be recycled. In many countries, your old tools, machines or appliances
can be returned to Hilti for recycling. Ask Hilti Service or your Hilti representative for further information.
In accordance with the European Directive on waste electrical and electronic equipment and its implemen-
tation in conformance with national law, electric tools or appliances that have reached the end of their life
must be collected separately and returned to an environmentally compatible recycling facility.
▶ Do not dispose of electric appliances together with household waste.
*2243106*
Printed: 24.07.2019 | Doc-Nr: PUB / 5505414 / 000 / 00
Possible cause
The dust bag is full.
The filter element is clogged with
dirt or dust.
The suction hose or dust hood on
the electric tool is blocked.
The hose diameter setting is incor-
rect.
The filter element is not fitted cor-
rectly.
The filter element is damaged.
Electrostatic charge is not
conducted away – the
appliance is connected to an
unearthed/ungrounded power
outlet.
The water level cut-out is acti-
vated.
The mains circuit breaker has been
tripped.
The waste material container is full. ▶ Switch the appliance off and
The motor overheating protection
cut-out has been activated.
The motor is repeatedly switched
off by its thermal cut-out.
The appliance is faulty or is not
correctly plugged in.
No suction hose is connected.
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Action to be taken
▶ Change the dust bag.
▶ If the automatic filter cleaning
system is deactivated, activate
it and allow the vacuum cleaner
to run for 30 seconds.
▶ Clean the suction hose and the
dust hood.
▶ Set the hose diameter.
▶ For applications with a hollow
drill bit, select a hose diameter
of 15 mm.
▶ Fit the filter element again
correctly.
▶ Fit a new filter element.
▶ Connect the appliance to an
earthed/grounded power outlet
and use an antistatic suction
hose.
▶ Clean the sensors and the
area around the sensors with a
brush.
▶ Reset the circuit breaker.
▶ Find the reason for the overload
current if the circuit breaker
trips again.
empty the waste material
container.
▶ Switch the appliance off and
allow it to cool down for about
5 minutes.
▶ If the motor doesn't start, return
the appliance to Hilti Service.
▶ Clean the air vents carefully
using a dry brush.
▶ Make sure that the supply
cord plug is fully plugged in
and check that the appliance
functions correctly.
▶ Connect the suction hose.
English 27