Nilfisk-ALTO 106269015 User Manual
Page 19
17
NEPTUNE PE/DE
Original Instructions
Indication light
Cause
Remedy
Green LED
flashes
slowly and red LED
flashes rapidly
>
>
Flame sensor sooted
Ignition or fuel system failure
•
Clean flame sensor (see section
7.2.6).
Contact Nilfisk-ALTO Service
Cold water operation possible
8.2 Other
faults
Fault
Cause
Remedy
not ON
>
>
Engine not started
Engine RPM too low
•
Start engine.
Contact Nilfi sk-ALTO Service.
NEPTUNE 5-51DE: Adjust RPM
on the speed control to max.
> Generator
defective
Contact Nilfi sk-ALTO Service.
Cold water operation possible.
Pressure too low
>
High pressure nozzle worn
out
•
Replace nozzle
>
Pressure regulation set to low
water volume
•
Turn the twist grip on the spray
lance to a higher water volume.
Burner soots
>
fuel contamination
Contact Nilfi sk-ALTO Service
>
Burner sooted or adjustment
incorrect