16
1)
Options / model variants
Original instructions
NEPTUNE 4 FA
Continued
8.1
Indications on Display
8 Troubleshooting
Indication lights
Cause
Remedy
>
>
Constant light
- The appliance is ready for
operation
When switching on, all the
LEDs light up once before the
motor is switched on
Flashing light
- Flow sensor fault
- Water tap closed or water
shortage
- Detergent tank empty
- Pressure regulation on
the safety control block or
VarioPress-lance
1)
set to low
water volume
- Machine scaled
>
>
>
>
>
Contact Nil
fi
sk-ALTO Service
Cold water operation possible
Required volume
fl
ow and pres-
sure see chapter 9.4 Technical
Data
Top up detergent tank or set de-
tergent metering to “OFF“
Turn the twist grip on safety con-
trol block or VarioPress lance
1)
to
higher water volume (see chapter
4.4)
Contact Nil
fi
sk-ALTO Service
> Constant light
- Fuel shortage
>
>
Top up fuel
Cold water operation is possible
> Flashing light
- Ni
fi
sk-ALTO AntiStone short-
age
> Top up Nil
fi
sk-ALTO AntiStone
>
>
Constant light
- Service interval has expired
Flashing light
- Service interval due in 20
hours
>
>
Contact Nil
fi
sk-ALTO Service
Contact Nil
fi
sk-ALTO Service
> Constant light
- Pump oil low
> Top up pump oil
> Flashing light (simultaneously)
- Leakage or inadmissible op-
erating condition by short-time
operation
- Spray gun leaking
- High pressure hose, coupling
or line system leaking
- Detergent tank empty
- Water inlet
fi
lter dirty
- High-pressure pump drawing
in air
>
>
>
>
>
>
After three times of short-time op-
eration the manchine switches off.
Reset: Turn main switch to posi-
tion “OFF“, then start again. Keep
spray gun pressed for longer than
3 seconds. If a leak occurs caus-
ing the machine to start and stop
brie
fl
y 3 times, then the machine
will switch off.
Check Spray gun
Replace high pressure hose,
retighten screw
fi
ttings
Top up detergent tank or set de-
tergent metering to “OFF“
Clean
fi
lter (see chapter 7.2.1)
Repair leaks