20
1)
Options / model variants
NEPTUNE 5 SB FA
8.2
Indication lights on control panel
8.3 Other
Faults
Indication light
Cause
Remedy
fl ashing
>
see
FLO
•
see
FLO
ON
>
Low fuel level
•
Fill fuel tank
Cold water operation possible
>
Low Nilfi sk-ALTO AntiStone
(Anti-Scale) level
•
Fill Nilfi sk-ALTO AntiStone (Anti-
Scale) tank
fl ashing
>
Service interval: Service due
in 20 hours
Contact Nilfi sk-ALTO Service
ON
>
Service interval expired
Contact Nilfi sk-ALTO Service
ON
>
Pump oil low
•
Fill to proper level
Fault
Cause
Remedy
not ON
>
Power cord not properly
connected to power supply
•
Check power cord connetction
•
Check fuse (see chapter 9.4 Technical
Data)
Pressure too low
>
High pressure nozzle worn
out
•
Replace nozzle
>
Pressure regulation set to low
pressure
•
Turn the twist grip on safety control
block clockwise (+)
Machine is running with
pulsating pressure and
makes knocking noise
>
Pump has drawn in air due to
detergent tank being empty
•
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.
No detergents drawn in
>
Detergent tank empty
•
Fill detergent tank
>
Dirt in detergent tank
•
Clean detergent tank
>
Suction valve at cleaning
agent inlet soiled
•
Remove suction valve and clean or
replace
Burner soots
>
fuel contamination
Contact Nilfi sk-ALTO Service
>
Burner sooted or adjustment
incorrect
