17
1)
Options / model variants
NEPTUNE 2
8.2 Other
Faults
Fault
Cause
Remedy
not ON
> Plug not connected to the
electrical plug socket
•
Put the plug into the electrical
socket.
•
Check fuse (see chapter 9.3 Techni-
cal Data)
Pressure too low
>
High pressure nozzle worn
out
•
Replace nozzle
>
Pressure regulation set to low
pressure or VarioPress-lance
1)
set to low water volume.
•
Turn the twist grip on safety control
block clockwise (+) or set Vario-
Press-lance
1)
to higher water volume
(see chapter 4.4)
Machine is running with
pulsating pressure and
makes knocking noise
>
Pump has drawn in air as the
detergent tank is 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 again.
No detergent drawn in
>
Detergent tank empty
•
Top up 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 up
>
fuel contamination
Contact Gerni Service
>
Burner sooted or adjustment
incorrect
Indication lights
Cause
Remedy
>
Flashing light
- Motor is overheated
>
>
Turn main switch to position
“OFF“ - let the machine cool
down
Remove/disconnect extension
cable
Possible phase failure on 3
phase variants: have electrical
connection checked
Contact Gerni Service
>
Flashing light
- Faulty temperature sen-
sor (B1)
>
>
>
Cold water operation is pos-
sible
Check wire to temperature
sensor (B1)
Contact Gerni Service
>
Flashing light
- Overheat error has oc-
curred
>
>
Cold water operation is pos-
sible
Contact Gerni Service
>
Visual test of lamps
- When switching on,
all LEDs light up for
approximately 1 second
