My PowerFresh® Deluxe Steam Mop has a Knocking Noise | Support

June 7, 2024
Bissell

A knocking noise will happen on first use, each time it runs out of water,

and when the machine sits for a length of time allowing the water to evaporate, follow these steps to resolve:

  • The knocking sound is normal since the pump is trying to pull water through the machine

  • Fill tank with water

  • Plug machine in and wait 30 seconds

  • The blue light will blink for 30 seconds and then stay on

  • Select a steam setting until the noise goes away (can take up to 1 ½ minutes)

    • It should only knock for up to 1 ½ minutes until it starts steaming, then the knocking will diminish to a dull or muffled hum
  • Has this resolved the issue?

    • Yes > Great! Glad we could get you back to cleaning!
    • No > Contact Us
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