18
1)
Options / model variants
Original instructions
NEPTUNE 3
Continued
8 Troubleshooting
8.1
Indications on Display
Indication light
Cause
Remedy
Green LED
ON
>
Appliance ready for
operation.
When switching on, all the
LEDs light up once before
the motor is switched on.
Yellow LED
ON
>
Fuel shortage
•
Top up fuel
Cold water operation possible
Yellow LED
fl ashing
>
Alto AntiStone shortage
•
Top up Alto AntiStone
Red LED
fl ashing
>
Service interval: Service due
in 20 hours
Contact Alto Service
Red LED
ON
>
Service interval expired
Contact Alto Service
Red LED
ON
>
Pump oil low
•
Top up pump oil
Green LED
fl ashing
>
Flow sensor fault
Contact Alto Service
Cold water operation possible
>
Water tap closed or water
shortage
•
Required volume flow and
pressure see chapter 9.3 Tech-
nical Data
>
Detergent tank empty
•
Top up detergent tank or set
detergent metering to „OFF“
>
P r e s s u r e r e g u l a t i o n o n
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 volume
(see chapter 4.4)
>
Machine scaled
Contact Alto Service
Green LED
and
red LED
fl ash
simultaneously
>
Leakage or inadmissible op-
erating condition by short-time
operation
•
After three times of short-time
ope ration the machine switch-
es off. Reset: Turn main switch
to position “OFF“, then start
again. Keep spray gun pressed
for longer than 3 seconds. If a
leak occurs causing the ma-
chine to start and stop briefl y
3 times, then the machine will
switch off.
>
Spray gun leaking
•
Check Spray gun
>
High pressure hose, coupling
or line system leaking
•
Replace high-pressure hose,
retighten screw fi ttings
>
Detergent tank empty
•
Top up detergent tank or set
detergent metering to „OFF“
>
Water inlet fi lter dirty
•
Clean fi lter (see chapter 7.2.1)
>
High-pressure pump drawing
in air
•
Repair leaks
Summary of Contents for NEPTUNE 3
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