Indications On Display; Troubleshooting - Nilfisk-ALTO NEPTUNE 5 Operating Instructions Manual

NEPTUNE 5 / 7 / 8
english

8 Troubleshooting

8.1

Indications on Display

Indication
on Display
FLF FLF
FLO FLO
Fue Fue
Hop Hop
HOS HOS
LEA LEA
>
>
>
LHE LHE
LHL LHL
POL POL
SEC SEC
SEO SEO
UPC UPC
16
Cause
> Flow sensor fault
> Water supply turned off or inadequate supply
to machine
> Detergent tank empty
> Pressure regulation on the safety control
block or VarioPress-lance
volume
> Machine scaled
Fuel shortage
>
> Motor overheated
> Machine overheated
> Leakage or inadmissible operating 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
> Flame sensor sooted
> Ignition or fuel system failure
> Burner failure
> Pump oil low
> Temperature sensor damaged
> Temperature sensor damaged
> Microprocessor failure
•
•
•
1)
set to low water
•
•
•
•
•
• Repair Spray gun
•
•
• Clean fi lter (see chapter 7.2.1)
• Repair leaks
•
•
Remedy
Contact Nilfi sk-Alto Service
Cold water operation possible
Required volume fl ow and pressure see
chapter 9.3 Technical Data
Fill detergent tank or set detergent me-
tering to „OFF"
Turn the twist grip on safety control block
1)
or VarioPress-lance to higher water/
pressure volume (see chapter 4.4)
Contact Nilfi sk-Alto Service
Fill fuel tank
Cold water operation possible
Turn main switch in position „OFF", let
machine cool down
Remove extension cord, if being used.
Possible phase failure; have electrical
connections checked
Contact Nilfi sk-Alto Service
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.
Replace high-pressure hose, retighten
screw fi ttings
Fill detergent tank or set detergent me-
tering to „OFF"
Clean flame sensor (see chapter
7.2.6).
Contact Nilfi sk-Alto Service
Cold water operation possible
Contact Nilfi sk-Alto Service
Cold water operation possible
Fill to proper level (see chapter 7.2.3)
Contact Nilfi sk-Alto Service
Cold water operation possible
Contact Nilfi sk-Alto Service
Cold water operation possible
Contact Nilfi sk-Alto Service
1) Options / model variants