7 troubleshooting – Graco AquaMax 2335E User Manual

Page 15

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15

1)

Options / model variants

Original instructions

English

7 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 pres-
sure nozzle

Detergent tank empty

Top up detergent tank or set
detergent metering to “0”

Pressure fluctuations

Pump draws in air (only pos-
sible 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 prop-
erly, 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 GRACO 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 over-
heating or overloading of the
motor

Check that the mains volt-
age 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

No detergents drawn in

Injector is dirty or suction hose
is blocked

• Clean

Detergent tank empty

Top up detergent tank

The cap on the FlexoPowerJet
nozzle is not set to low pres-
sure

See chapter 4.

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