Having problems with your Karcher Pressure Washers ?

Electric modelm620 karcher does not start

\015 The green light appears when on switch pressed ,power is there, the machine will not start.\015

Answers :

The bypass valve is most likley jammed. Remove the cover from the machine, then remove the chemical tank. Unscrew the micro switch cover and manually operate the micro switch. If the motor runs the bypass valve is faulty. Replace the valve along with the stem seals on the valve.
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