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Karcher HDS 7/10-4M has the oil light giving 4 flashes, what does this indicate as the fault.

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Water starvation, check filters again.
put mains water pressure on to pump and then try it .
remove water shortage device filter and give it a clean .

Posted on Nov 23, 2016

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Ive got a brand new HDS 10/20 and its crapped out on me already, water line filters were blocked, cleaned them out and now it splutters after 2mins of pressure washing, oil light flashing x3, nothing in any of their **** manuals to assist, any ideas before i set it on fire?

Posted on Oct 31, 2015

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Posted on Jan 02, 2017

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SOURCE: karcher HDS 750 HOT HIGH PRESSURE WASHER

G-day Mate.

Did you check if the igniters? they may be cloged up with ****. Unscrew the Sight glass on top of the boiler and run the machine (in cold or hot mode, doesn't matter, as the igniters are running all the time) and see if there are working, you should take them out anyway and give them a wipe with a rag as general maintenance item, and when you put them back in there should be about 5mm gap between them.


Less common reasons for the boiler to not work
- Faulty fuel solenoid valve, (You should hear a click sound about 5 - 10 seconds after you pull the trigger)
- Dirty fuel filter,


Take a look at those simple things and let me know if its any of these.

I have a Karcher HDS 750 1989 Year model

This machine just keeps going, it's had a fairly tough life but it has stood up to it all,

i hadent spent anything on it until about 6 months ago when i purchased a new fuel pump for it as the old was wasn't pushing 170PSI to the Disiel injector it had slowly droped 70psi, and it doesn't create a hotter burn in the boiler, but still very good for a 19yr old pump,

other than that thats all it's needed, it's still going strong to date
Very robust machine.

my e-mail is cgodfx@internode.on.net

Cheers Matt.

Posted on Nov 07, 2008

  • 1 Answer

SOURCE: KARCHER HDS 1000 de

hi jim i have the same unit diesel burner and diesel engine have you tryed a new accelorater cable?

Posted on Jan 08, 2009

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1 Answer

My karcher isn't giving me hot water why? It's a hds 601c


Morning Chris Taylor,

You have an igniter/burner coil inside your system that has to be
functioning properly to have good combustion going inside the coils of your heater unit (very bottom).

I tried to pull the documents to see if yours was kerosene powered (like mine: not a Karcher)... but could NOT pull your HDS 601C up on the company site (Karcher.com, sorry... It's me & my new PC).

Poor water = de-lime water coil procedure

Cool water = No combustion, check kerosene, oil (burner fuel)... filter... (etc.) and check your spark!

If your air supply is insufficient to support great combustion your ignitor & fuel nozzles can get heavily built up in soot. My manual says to clean it with detergent & water... I have only ever used Berryman choke & throttle body cleaner.

All the precautions... don't hurt yourself!!

Hope this helps...

KARCHER HDS 601c ECO STEAM CLEANER BOILER HEATING COIL ELEMENT HEATER...

Operating manuals

http://www.ultimatewasher.com/download/hot-water-manual.pdf

May 01, 2016 | Karcher Garden

1 Answer

Karcher hds 558c no power to diesel pump solenoid


This can be very simple to find the fault. One can replace the solenoid by a new one. If the new one does not work, then the fault is coming from the control board. Many control boards nowadays are changed by a new one. Also there are cases were the transformer supplying control boards and solenoid valves, gets faulty. Some times there are also relays in the system, which also can go faulty. The best way, is to go first for the easiest fault and proceed by elimination, to the other components. I hope you only have a fault, in the solenoid.
Regards.
MG.

Feb 17, 2015 | Karcher Garden

1 Answer

I have a karcher hds 601 have replace pup seals and the water presher is still down to 25psi what els cud it be


It could be that there are faults wit the suction and delivery valves.
Also, there could be a fault with the pressure regulating valve (Spill Valve). Also if it has ( must have in fact),....a safety valve, see that it is not leaking. Other things one can check are, the gun, the nozzle of the gun, the amount of water being fed and any minor leakages.
Regards,
MG.

Oct 06, 2014 | Karcher Garden

2 Answers

VW Golf Mk4 1.4 16v Oil Light Warning on Dash


Measure your oil at normal operating temp, without the engine running of course. This will give you a more accurate reading once the oil has circulated in the system.

The system works like this:
  • With the ignition on, the oil pressure indicator light on the dash should come on and flash. Once the engine is started, the light should go out and stay out as long as the engine is running.
  • If the oil pressure drops below approximately 0.3 bar or 5 psi when the engine is running below 2000 rpm, the light will flash.
  • If the oil pressure drops below approximately 1.8 bar or 27 psi when the engine is running above 2000 rpm for more than 3 seconds, the indicator light will flash and the buzzer will sound.
If either this two warnings occur:
  • The engine should be switched off immediately and the oil level should be checked.

Apr 29, 2010 | 1999 Volkswagen Golf

8 Answers

My karcher hds 745 has started blowing fuses. it switches on the power light comes on and it makes a buzzing noise for about five seconds and then blows the mains 13amp fuse. i have replaced it twice but...


Dear dumbelldaveb,
Having a 13A fuse I am concluding that the machine is single phase. Most probably you have a faulty capacitor. Check the capacitor and if you find it expanded and leaking...then you must change it with a new one. If you see the capacitor is normal just the same it could be shorted. So change the capacitor with a new one and try to start the machine WITHOUT LOAD. Which means no water inlet and no gun attached. Doing this you can also remove temporarly the micro switches. If the motor still hums, then most probably there is a fault in the electric motor.
Now if you find out that the fault is the capacitor (which in my opinion it is the case)...you must see why the capacitor broke. If when using the machine and the gun is closed, the machine starts on and off on its own,...this will damage the capacitor. This on and off fault could come from a leaking gun. Or a leak from the seals. Whatever....the machine must not be left going ON and Off when the gun is closed. This ON and OFF could be due to faulty micro switches and control valves.
I am very sorry to mention a lot of things, but I hope as in many cases,..the changing of the capacitor will solve the problem. I wish to add that the electrical lead wire must be checked. On many occasions I found that the electrical lead wire from the plug to the machine was damaged and shorted, ..due to pulling, wear and tear.
Regards,
Fulltech.

Apr 19, 2009 | Karcher Garden

3 Answers

KARCHER HDS 1000 de


Hi Jim,i have the same unit to,can you tell me are you connecting to mains water via the small black header tank at the back next to the boiler or is it connected straight to the pump head inlet?
Theres more than one reason i'll just start with this one 1st.
chris

Aug 08, 2008 | Karcher 2500 PSI Pressure Washer

2 Answers

Karcher HDS 750 HOT HIGH PRESSURE WASHER


G-day Mate.

Did you check if the igniters? they may be cloged up with ****. Unscrew the Sight glass on top of the boiler and run the machine (in cold or hot mode, doesn't matter, as the igniters are running all the time) and see if there are working, you should take them out anyway and give them a wipe with a rag as general maintenance item, and when you put them back in there should be about 5mm gap between them.


Less common reasons for the boiler to not work
- Faulty fuel solenoid valve, (You should hear a click sound about 5 - 10 seconds after you pull the trigger)
- Dirty fuel filter,


Take a look at those simple things and let me know if its any of these.

I have a Karcher HDS 750 1989 Year model

This machine just keeps going, it's had a fairly tough life but it has stood up to it all,

i hadent spent anything on it until about 6 months ago when i purchased a new fuel pump for it as the old was wasn't pushing 170PSI to the Disiel injector it had slowly droped 70psi, and it doesn't create a hotter burn in the boiler, but still very good for a 19yr old pump,

other than that thats all it's needed, it's still going strong to date
Very robust machine.

my e-mail is cgodfx@internode.on.net

Cheers Matt.

Apr 07, 2008 | Karcher 2500 PSI Pressure Washer

1 Answer

Reset Button


your testing the no fault short or motor overload feature. the red light indicates you have power. no light no power.

Apr 02, 2008 | Karcher 2500 PSI Pressure Washer

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