Nilfisk Gerni N/G-6900A/C Instrucciones De Manejo página 33

Symptoms
The by-pass valve is
"knocking" or the gauge
fluctuates with open pistol.
The safety valve begins to
function or the pressure
of the machine is too high.
The nozzle does
not oscillate.
(Turbo Laser)
Turbo Laser leaks.
No detergent supply.
Boiler smokes.
The machine suddenly
emits steam.
The burner stops
during operation.
The burner starts and
stops incorrectly with
correct working pressure.
The burner does
not start.
The high pressure cleaner
does not go to max.
pressure/pressure
fluctuates.
The water does not reach
operating temperature.
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FAULT FINDING
Cause
The nozzle is partially
blocked.
Front nozzle partially
blocked.(Turbo Laser)
Pressure nozzle
partially blocked.
Wrong nozzle.
Turbo Laser dirty.
Turbo Laser worn.
Turbo Laser filter blocked.Clean/change filter (see Maintenance).
Wrong nozzle.
Gaskets defective.
Empty detergent tank.
Detergent filter dirty.
Dosing valve closed.
Water in the fuel.
Cleaning fluid tank empty
(takes in air).
The pump suction side is
leaking (takes in air).
Lack of water.
Thermostat set too low.
Fuel filter dirty.
Water in the fuel.
Fuel filter dirty.
Thermostat set too low.
Thermostat set too low.
Fuel filter dirty.
Water in the fuel.
Detergent tank empty
(takes in air).
Detergent hose defect.
The pump suction side
leaks (takes in air).
High pressure nozzle
blocked.
Machine needs
decalcification.
High pressure nozzle
worn.
Air in the system.
Wrong nozzle.
For lavt vandtilgangstryk.
Water filter stopped
Operating thermostat set
too low.
Fuel filter dirty.
The machine needs
descaling.
Boiler and coil clogged up
Remedy
Remove and clean pressure nozzle.
Remove and clean front nozzle.
Remove and clean pressure nozzle.
Change nozzle (see "Technical Data").
Disassemble and clean Turbo Laser.
Change pressure nozzle and wheel
(Service Kit).
Change the nozzle (see "Technical Data").
Leak can seal itself with continued use.
Replace gaskets nozzle (Service Kit).
Refill.
Clean detergent filter.
Open it.
Empty and clean fuel tank (see Maintenance).
Re-fill the tank. Close the dosing valve.
Bleed hoses.
Check for leakages - tighten hose
retaining rings.
Check the water inlet system.
Check the thermostat setting and adjust
if necessary.
Clean the fuel filter (see "Maintenance").
Empty and clean fuel tank (see
Maintenance).
Clean the fuel filter (see Maintenance).
Check the thermostat setting and adjust
if necessary.
Check the thermostat setting and adjust
if necessary.
Clean the fuel filter (see Maintenance).
Empty and clean fuel tank (se
Maintenance).
Refill the tank. Close the detergent
valves.
Replace the detergent hoses.
Check for leakages, tighten any hose
retaining rings.
Remove and carefully clean the nozzle.
Descale the machine (see Maintenance).
Fit new nozzle. Note nozzle type (see
"Tecnical Data").
Bleed the cleaner. Open the pressure
regulation handle, activate the pistol. Let
the machine run until stable pressure has
been obtained.
Change the nozzle. Note nozzle type (see
"Technical Data").
Tilgangstryk - se tekniske data.
See maintenance
Check the thermostat setting and adjust
if necessary.
Clean the fuel filter (see Maintenance).
Descale the machine, see maintenance.
Call service engineer.
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