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wisekiaraAug 14, 2025
Why won't my Kärcher Pressure Washer motor start?
- JjosephcomptonAug 14, 2025
If your Kärcher Pressure Washer motor won't start, several factors could be the cause. First, ensure the On/Off switch is in the “ON” (I) position. Check that the power cord is properly plugged in and that the electrical outlet supplies adequate power; try a different outlet if necessary. Also, verify that the Ground Fault Circuit Interrupter (GFCI) hasn't tripped by resetting the breaker or GFCI. Finally, an extension cord that is too long, not the proper gauge, or damaged can prevent the motor from starting. Replace the extension cord with either a 25 ft. 12/2 gauge cord or a 50 ft. 10/2 gauge cord.












