Hilti VC 20H-X Manuel D'utilisation page 39

Malfunction
The appliance switches it-
self off or on inadvertently or
static electricity discharges
through the user.
The motor doesn't restart.
The motor doesn't run when
set to "AUTO".
The automatic filter element
cleaning system doesn't
work.
10.2 Malfunction, system device
If the vacuum cleaner is used in a wireless system, connected system devices can output the following
messages on their displays.
Malfunction
The Unknown error service
indicator lights up.
Change filter service indica-
tor lights up.
Water level cut-out service
indicator lights up.
*2326117*
Possible cause
Electrostatic charge is not
conducted away – the
appliance is connected to an
unearthed/ungrounded power
outlet.
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.
Possible cause
The connected system device has
received an unknown error code
from the vacuum cleaner.
Filter element is clogged or too old. ▶ Check the fill level in the waste
No filter element inserted.
The water level cut-out is acti-
vated.
2326117
Action to be taken
▶ Connect the appliance to an
earthed/grounded power outlet
and use an anti-static suction
hose.
▶ 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.
Action to be taken
▶ Check the vacuum cleaner for
malfunctions.
material container.
▶ Press the Manual cleaning
operating button. → page 24
▶ Change the filter, if necessary.
→ page 31
▶ Insert a suitable filter element.
→ page 31
▶ Clean the sensors and the
area around the sensors with a
brush.
English 33