Nilfisk Gerni N/G-411A Instrucciones De Manejo página 33

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Symptoms
High pressure cleaner
stops suddenly.
3 PH motor hums when
started
High pressure hose and
pistol shake.
By-pass valve "hammers"
or pressure gauge oscil-
lates with open pistol.
Safety valve starts func-
tioning or high pressure
cleaner operates at a too
high a pressure.
Nozzle does not tilt.
Turbo Laser leaks.
No detergent added.
High pressure cleaner
does not operate at max.
pressure/pressure oscil-
lates.
blocked.
The high pressure
cleaner starts un-
intended (Automatic).
All manuals and user guides at all-guides.com
FAULTFINDING
Cause
Fuse burnt out.
Low voltage.
Motor too warm.
Operating pressure too high
(nozzle dirty, wrong nozzle).
Fuse burnt out.
Fault on the power line.
Air in the pump.
Lack of water.
Nozzle partly blocked.
Front nozzle partly blocked.
Pressure nozzle partly
blocked.
Wrong nozzle.
Turbo Laser dirty.
Turbo Laser filter
dirty.
Wrong nozzle.
Gaskets defective.
Detergent tank empty.
Detergent filter dirty.
Turbo Laser filter
dirty.
Lacks water.
The suction side of the
pump leaks (takes in air).
High pressure nozzle
fully.
High pressure nozzle worn.
technical data).
Air in the system.
Wrong nozzle/defective
nozzle.
Pulsation in the water inlet.
Corrective action
Change fuse. If fuse burns out again,
contact service department.
Extension cable too long, contact
service department.
Turn switchto pos. "0"
and wait 15 min. Restart the machine.
Clean/change nozzle (see technical
data).
Change fuse. If fuse burns out again
or motor still hums,
contact service department.
Check voltage in the plug.
Tighten suction hose.
Clean suction filter. Open tap completely.
Disconnect and clean the nozzle.
Disconnect and clean front nozzle.
Disconnect and clean pressure
nozzle.
Change nozzle (see technical data).
Take apart and clean Turbo Laser.
Clean/change the filter (see
maintenance).
Change nozzle (see technical data).
The leak may seal itself by continued
usage.
Change gaskets (Service kit).
Fill up.
Clean detergent filter.
Clean/change the filter (see
maintenance).
Open the tap completely. Clean suction
filter.
Check for leaks, tighten hose clamps.
Disconnect the nozzle and clean it care-
Mount new nozzle. Note the type (see
Bleed the cleaner. Open pressure
regulation handle, activate the pistol.
Let machine run until stable pressure
has been ob tained.
Change nozzle. Note the type (see tech-
nical data).
When the high pressure cleaner is not
used the water supply to the machine
should be closed.
33

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Este manual también es adecuado para:

Gerni n/g-461aGerni n/g-481a

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