Question about Karcher 2500 PSI Pressure Washer

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Karcher kb 2020

When i turn the on/off switch nothing happens

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A/c or gas? if a/c you probably have a bad switch. if gasoline you could have no connection to kill wire to coil or the switch is bad.

Posted on Apr 21, 2009

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1 Answer

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1 Answer

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I had the same problem and I let the battery run down to stop it cycling on and off. My husband investigated it and found that there is a fault with the on board battery charge sensing circuit. (when the charge is about 10 to 15 % remaining the onboard ic controller cycles the unit on and off, irrespective of the switch. He checked it by cutting wires to the switch and it still cycled off and on so the switch was not faulty.
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1 Answer

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yea mate ya bypass will be stuck(the little valve that turns the unit on or off) also if not that there is a little micro switch attached to the valve this may of dislodged for some reason... commonly happens if unit has sat for a period of time not used

regards
brad

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Usually electric pressure washers only have oil on the pump, so its very likely that you will find the problem there. I'd say check all the pump seals and if that doesnt solve the problem, you can check to see if all bolts are tight when you close the pump back.
If by any chance you are looking for a new machine and/or parts for your machine, log in to www.roncoshop.com where you will be able to find pretty much anything for your preassure washer.

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