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Customer Helpline

 1300 889 028

13

Troubleshooting

Disconnect the machine from the power source before making any repair. To avoid 
unnecessary disappointments, you should check the following before contacting the 
service organization:

Symptom

Cause

Recommended action

Machine refuses 

to start

Machine not plugged in 

Defective socket

Fuse has blown

Defective extension cable

Plug in machine.

Try another socket.

Replace fuse. Switch off other 

machines.

Try without the extension cable.

Fluctuating 

pressure

Pump sucking air

Valves dirty, worn out or 

stuck

Pump seals worn out

Check that hoses and connections 

are airtight.

Clean and replace or refer to local 

distributor.

Clean and replace or refer to local 

distributor.

Machine stops

Fuse has blown

Incorrect mains voltage

Thermal sensor activated

Nozzle partially blocked

Replace fuse. Switch off the machine.

Check that the mains voltage 

corresponds to specification on the 

model tag.

Leave the washer for 5 minutes to 

cool down. 

Clean the nozzle. 

Fuse blows

Fuse too small

Change to an installation higher 

than the amp. consumption of the 

machine. You may try without the 

extension cable.

Machine 

pulsating

Air in inlet hose

Inadequate supply of 

mains water

Nozzle partially blocked

Water filter blocked

Hose kinked

Pump allow machine to run with 

open trigger until regular working 

pressure resumes.

Check that the water supply 

corresponds to specifications 

required.

Avoid using long, thin hoses. 

(min. 1/2”)

Clean the nozzle. 

Clean the filter. 

Straighten out hose.

Machine often 

starts and stops 

by itself

Pump/spray gun is leaking 

Centre.

Contact your nearest Service.

Machine starts, 

but no water 

comes out

Pump/hoses or accessory 

frozen 

No water supply 

Water filter blocked 

Nozzle blocked

Wait for pump/hoses or accessory 

to thaw. 

Connect inlet water.

Clean the filter. 

Clean the nozzle. 

Summary of Contents for THW1801

Page 1: ...se instructions contain important information that will help you get the best from your High Pressure Washer ensuring it remains safe to operate If you need help or have damaged or missing parts call...

Page 2: ...Customer Helpline 1300 889 028 2 Contents Safety Information 3 In The Box 6 Accessories 6 Assembly 7 Operating Instructions 9 Storage 11 Maintenance 12 Troubleshooting 13 Technical Data 14 Warranty 14...

Page 3: ...insulation Warning Do not direct the jet at persons animals and electrical equipment Machine not suitable for connection to the potable water mains RCM marking ABN Australian Business Number By this...

Page 4: ...the machine within range of persons unless they wear protective clothing WARNING Do not direct the jet against yourself or others in order to clean clothes or foot wear Disconnect from the electrical...

Page 5: ...do not immerse in water for cleaning the hose should be checked regularly and must not be used if damaged The electric supply connection must be made by a qualified electrician and comply with AS NZS...

Page 6: ...itch Gun trigger Spray gun Adjustable spray nozzle Extension lance High pressure hose Built in detergent tank Cable holder Wheels Normal nozzle low pressure Nozzle cleaning tool On board storage for n...

Page 7: ...ter 20 if required Water supply cold water only 1 Do not draw non water liquids through the unit For use with cold water supply only 2 Water hose must be at least a 1 2 in diameter 3 Flow rate of wate...

Page 8: ...pressure hose to spray gun See C2 3 Insert the high pressure hose to outlet water connector See C2 4 Push the lance into the trigger gun when inserted to the end turn it Make sure the lance is properl...

Page 9: ...FF SAFETY SWITCH 1 Connect the plug into a properly grounded outlet 2 Before turning the unit on press the gun trigger 9 to bleed any trapped air out of the pump and hose See D2 3 Your switch is in a...

Page 10: ...usted from jet spray to fan spray by turning the nozzle as shown in F NOTE the pressure of the spray on the surface you are cleaning increases as you move the wand closer to the surface CAUTION Jet sp...

Page 11: ...and wind up hose and cable 4 Place spray handle nozzles and other accessories in the holders of the machine Should the machine by mistake be frozen it will be necessary to check it for damage NEVER ST...

Page 12: ...ly according to use Carefully loosen the filter with a screwdriver and clean it Check that it is intact before re mounting it The inlet filter must always be fitted inside the water inlet pipe to filt...

Page 13: ...locked Replace fuse Switch off the machine Check that the mains voltage corresponds to specification on the model tag Leave the washer for 5 minutes to cool down Clean the nozzle Fuse blows Fuse too s...

Page 14: ...ion for any other reasonably foreseeable loss or damage You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and failure does not amount to a majo...

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