Indication Lights; Other Faults - Nilfisk NEPTUNE 1-22 EU Serie Instrucciones De Operación

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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
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
>
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
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-
1)
.
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
: have electri-
1)
Remedy
Options / model variants
1)
Original instruction

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