Nilfisk ALTO NEPTUNE 1 Mode D'emploi page 20

NEPTUNE 1, NEPTUNE 2
NEPTUNE 2 Special
Indication lights
8.2 Other Faults
Fault
not ON
Pressure too low
Machine is running with pul-
sating pressure and makes
knocking noise
No detergent drawn in
Burner soots up
20
All manuals and user guides at all-guides.com
Cause
> Flashing light
- Motor is overheated
> Flashing light
- Faulty temperature sen-
sor (B1)
> Flashing light
- Flow sensor fault
> Flashing light
- Overheat error has oc-
curred
> Visual test of lamps
- When switching on,
all LEDs light up for
approximately 1 second
Cause
> Plug not connected to the electri-
cal plug socket
> High pressure nozzle worn out
> Pressure regulation set to low
pressure or VarioPress-lance
set to low water volume 1)
> Pump has drawn in air as the
detergent tank is empty
> Detergent tank empty
> Dirt in detergent tank
> Suction valve at cleaning agent
inlet soiled
> fuel contamination
> Burner sooted or adjustment
incorrect
Remedy
Turn main switch to position
"OFF" - let the machine cool
down
Remove/disconnect extension
cable
Possible phase failure on 3
phase variants
cal connection checked
Contact Nilfi sk-ALTO Service
> Cold water operation is pos-
sible
> Check wire to temperature
sensor (B1)
> Contact Nilfi sk-ALTO Service
> Cold water operation is pos-
sible
> Contact Nilfi sk-ALTO Service
> Cold water operation is pos-
sible
> Contact Nilfi sk-ALTO Service
Remedy
• Put the plug into the electrical socket.
• Check fuse (see chapter 9.4 Technical
Data)
• Replace nozzle
• Turn the twist grip on safety control
1) block clockwise (+) or set VarioPress-
. lance to higher water volume (see
1)
chapter 4.4)
• Close detergent valve. Remove lance
from gun. Operate spray gun and let
machine run until air in pump is gone and
the machine is running normally again.
• Top up detergent tank
• Clean detergent tank
• Remove suction valve and clean or
replace
• Contact Nilfi sk-ALTO Service
1) : have electri-
1) Options / model variants
Original instruction