Other Faults - Nilfisk-ALTO NEPTUNE 4 FA Betriebsanleitung

slow rapid
8.2

Other Faults

Fault
not ON
Pressure too low
Machine is running with
pulsating pressure and
makes knocking noise
No detergents drawn in
Burner soots
1) Options / model variants
> Flashing light (alternately)
- Motor overheated
> - Machine overheated
> Flashing light
- Flame sensor sooted
- Ignition or fuel system failure
Cause
> Plug not connected to the
electrical 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
> • Turn main switch in position
"OFF", let the machine cool
down
• Remove/disconnect exten-
sion cable
• Possible phase failure; have
electrical connection checked
> Contact Nilfi sk-ALTO Service
> Clean fl ame sensor (see chapter
> 7.2.5)
Contact Nilfi sk-ALTO Service
Cold water operation possible
Remedy
• Put the plug into the electrical
socket.
• Check fuse (see chapter 9.4 Techni-
cal Data)
• Replace nozzle
• Turn the twist grip on safety control
1) block clockwise (+) or set VarioPress-
1)
lance to higher water volume (see
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/calm again.
• Top up detergent tank
• Clean detergent tank
• Remove suction valve and clean or
replace
Contact Alto Service
NEPTUNE 4 FA
17