8 troubleshooting – Nilfisk-Advance America 5 User Manual
Page 15

14
english
1)
Options / model variants
POSEIDON 5
8 Troubleshooting
Fault
Cause
Remedy
Pressure drop
>
Air in the system
•
Vent the system by
operating the spray gun
several times at short
intervals. If necessary,
operate the cleaner for a
short time without the high-
pressure hose connected.
>
High pressure nozzle blocked
worn
•
Clean/replace the high
pressure nozzle
>
Pressure control on the spray
pipe is not set correctly
•
Set the required working
pressure
>
Detergent tank empty
•
Top up detergent tank or
set detergent metering to
“0”
Pressure fluctuations
>
Pump draws in air (only
possible in suction mode)
•
Check that the suction set
is air-tight
>
Lack of water
•
Open water tap
>
Water inlet hose is too long
or its cross-section too small
•
Use specified water inlet
hose
>
Lack of water caused by
blocked water filter
•
Clean the water filter in the
water connection (never
work without water filter)
>
Lack of water because max.
permissible suction height
has not been heeded
•
See instructions
The motor does not start when
the cleaner is switched on
>
The plug is not inserted
properly, i.e. there is no
current
•
Check the plug, lead and
switch and if necessary
have them replaced by a
trained electrician
>
The mains fuse is switched
off
•
Switch on the mains fuse
When the cleaner is switched
on the motor buzzes without
starting
>
The mains voltage is too low
or there is a phase failure.
•
Have the electrical
connection checked
>
The pump is blocked or
frozen
•
Contact the Gerni customer
service
>
Incorrect cross-section or
length of the extension lead
•
Use lead with correct cross
section or length
The motor switches off
>
The overload protection
has been activated due to
overheating or overloading of
the motor
•
Check that the mains
voltage and the cleaner
voltage are the same.
Switch off the cleaner and
allow it to cool for at least 3
minutes
>
High-pressure nozzle is dirty
•
Change the high-pressure
nozzle