Nilfisk-ALTO NEPTUNE 8 - Manual (Page 18)

16
english
1) Options / model variants
NEPTUNE 5 / 7 / 8
Indication
on Display
Cause Remedy
FLF FLF
> Flow sensor fault
Contact Nilfi sk-Alto Service
Cold water operation possible
FLO FLO
> Water supply turned off or inadequate supply
to machine • Required volume fl ow and pressure see
chapter 9.3 Technical Data
> Detergent tank empty • Fill detergent tank or set detergent me-
tering to „OFF“
> Pressure regulation on the safety control
block or VarioPress-lance
1) set to low water
volume
• Turn the twist grip on safety control block
or VarioPress-lance
1) to higher water/
pressure volume (see chapter 4.4)
> Machine scaled Contact Nilfi sk-Alto Service
Fue Fue
>
Fuel shortage • Fill fuel tank
Cold water operation possible
Hop Hop > Motor overheated • Turn main switch in position „OFF“, let
machine cool down
• Remove extension cord, if being used.
• Possible phase failure; have electrical
connections checked
HOS HOS
> Machine overheated Contact Nilfi sk-Alto Service
LEA LEA
> Leakage or inadmissible operating condition
by short-time operation • After three times of short-time ope ration
the machine switches off. To reset: Turn
main switch to position “OFF“, then start
again. Keep trigger squeezed for longer
than 3 seconds. If a leak occurs in the
hose and gun and causes the machine
to start and stop briefl y 3 times, then the
machine will switch off.
> Spray gun leaking • Repair Spray gun
> High pressure hose, coupling or line system
leaking • Replace high-pressure hose, retighten
screw fi ttings
> Detergent tank empty • Fill detergent tank or set detergent me-
tering to „OFF“
> Water inlet fi lter dirty • Clean fi lter (see chapter 7.2.1)
> High-pressure pump drawing in air • Repair leaks
LHE LHE > Flame sensor sooted • Clean flame sensor (see chapter
7.2.6).
> Ignition or fuel system failure Contact Nilfi sk-Alto Service
Cold water operation possible
LHL LHL
> Burner failure
Contact Nilfi sk-Alto Service
Cold water operation possible
POL POL
> Pump oil low
• Fill to proper level (see chapter 7.2.3)
SEC SEC
> Temperature sensor damaged
Contact Nilfi sk-Alto Service
Cold water operation possible
SEO SEO
> Temperature sensor damaged
Contact Nilfi sk-Alto Service
Cold water operation possible
UPC UPC
> Microprocessor failure Contact Nilfi sk-Alto Service
8 Troubleshooting
8.1 Indications on Display