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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