Shark ZS350 Series Troubleshooting

If you are having problems with your Shark ZS350 Series Vacuum Cleaner, you are not alone. Many Shark ZS350 Series owners experience issues with their vacuum cleaner from time to time, and it can be frustrating to deal with these problems.

I have problems with my Shark ZS350 Series

Reported Shark ZS350 Series Issues

What issue are you encountering?

Solution:

  • My unit has no or low suction
    • Plug in and turn on the unit
  • My unit will not turn on or turn off on its own
    • The vacuum cleaner is equipped with a motor-protective thermostat. If for some reason your vacuum overheats, the thermostat will automatically turn the unit off.  Wait 60 minutes for the vacuum to cool; in the meantime follow the next steps
    • Is the a power issue with the unit or brush roll?
      • My unit will not turn on or turn off on its own
        • Check the power cord for damage and the plug prongs for being loose
      • The brush roll is not spinning
        • Ensure the unit is plugged in and turned on. Place your foot on the floor nozzle and tilt the handle back to engage the brush roll.
        • Check the brush roll indicator light on the floor nozzle
        • What color is the Brushroll Indicator light?
          • No light
            • Unplug the unit.
            • Using a coin, turn the locks counterclockwise on the bottom of the nozzle to open, then lift off the cover to access Brushroll. Carefully remove any string or debris from the brush roll.

            • Replace the cover, pressing down firmly on all sides, including along the front, before turning the locks clockwise to close.
            • Using a flashlight look into the 3-hole connector on the end of the handheld for debris. Remove any debris.
            • Attach the hand vac directly to the nozzle, pressing firmly until you hear a “click”
            • Plug in the unit.  Press lightly on the floor nozzle and tilt the handle back to engage the brush roll.  Now turn on the unit.
            • Check the status of the brush roll indicator light and if the brush roll is spinning
          • Solid/Flashing Red
            • If the light is flashing red the motor in the nozzle may have overheated. Allow the unit to cool down for 60 minutes after TS is done.
            • Is the unit set to the correct setting?  Setting I should be used on bare floors and small area rugs while Setting II should be used on carpets. The unit has a safety feature to prevent the brush roll motor from overheating on thick carpet.

              There could also be a clog in the nozzle.

            • Unplug the unit.
            • Using a coin, turn the locks counterclockwise on the bottom of the nozzle to open, then lift off the cover to access Brushroll. Carefully remove any string or debris from the brush roll.  Look into the nozzle inlet for debris.

            • Replace the cover, pressing down firmly on all sides, including along the front, before turning the locks clockwise to close.
            • Turn on the vacuum, step on the footprint icon on the floor nozzle, and tilt back the vacuum handle to engage the brush roll.
            • Start to vacuum and run it back and forth over the floor.
            • Check the status of the brush roll indicator light and if the brush roll is spinning
  • There is a burning smell
    • If the smell is the out-of-the-box unit, This may be a new motor smell for the first couple uses.
    • Turn off and unplug the vacuum.
    • Inspect the power cord and plug for exposed wires, burns or obvious damage
  • My unit is making an unusual noise
    • Turn off and unplug the vacuum.
    • Detach the floor nozzle from the handheld and extension wand.
    • Remove the dust cup. Holding it over a trash receptacle, press the release button near the bottom of the dust cup. The bottom of the dust cup will open to let dust and debris fall into the trash.

    • Clear away any debris from the cone-shaped screen inside the dust cup and close the lid.
    • Look in the handheld piece with a flashlight to determine if any debris is obstructing the openings/airways and remove any clogs.

    • Re-insert the dust cup into the handheld.
    • Plug the unit in and turn it on
  • Hair Wrap
    • Self Cleaning Brushroll technology actively removes hair from the brush roll while the vacuum is running. If you see hair wrapped around the brush roll, please perform the following steps.
    • Go to a place in your home with hard flooring, or low-pile carpet.
    • Turn the vacuum on. Select Setting ll (Carpet). Tilt the handle back.
    • Run the vacuum for 30 seconds.
    • Shut off and unplug the vacuum.
    • Inspect the floor nozzle for hair on the main brush roll. If some of the hair has been removed, the technology is working. Extend cleaning time in carpet mode for all the hair to be removed

Shark ZS350 Series Vacuum Cleaner Problems

Below are common issues and solutions for the Shark ZS350 Series:

The Shark ZS350 Series is not picking up debris. No suction or light suction

Solution:

  • Check filters to see if they need cleaning. Follow instructions for rinsing and completely air-drying the filters before reinserting in the vacuum.
  • Dust cup may be full; empty dust cup.
  • Check cleaner head for blockages; clear blockages if required.
  • Remove any string, carpet fibers, or hair that may be wrapped around the brush roll.
  • Ensure the cover on the underside of the cleaner head is locked in place by pressing down firmly on all sides, including along the front, before turning the 3 gray locks clockwise to close

The Shark ZS350 Series lifts area rugs

Solution:

  • Suction is powerful. Take care when vacuuming area rugs or rugs with delicately sewn edges.
  • Turn off the unit to disengage the brush roll. To restart, slide the Power switch to setting I, Bare Floor/ Small Area Rugs

The Shark ZS350 Series Brushroll does not spin

Solution:

  • If the Brushroll Indicator Light turns red, immediately turn off and unplug the vacuum. Disconnect the wand from the cleaner head and clear any blockages. Reconnect the wand, plug in the vacuum, and turn on the power.
  • If the Brushroll Indicator Light on the cleaner head is green, the blockage has been successfully cleared. If the light is still red, please contact Customer Service at 1-800-798-7398

The Shark ZS350 Series turns off on its own or if the indicator light flashes red

Solution:

  • This vacuum is equipped with a motor-protective thermostat so it will shut off if it overheats. Should this occur, perform the following steps to restart the motor-protective thermostat:
    1. Turn the vacuum off and unplug it.
    2. Empty the dust cup and clean the filters (see Maintenance section).
    3. Check for blockages in the hose, accessories, and inlet openings.
    4. Allow the unit to cool for a minimum of 45 minutes.
    5. Plug in a vacuum and turn it on

Shark ZS350 Series Replacement Parts

How to Diagnose and Repair a Shark ZS350 Series

This guide will help you identify and resolve issues with your Shark ZS350 Series Vacuum Cleaner.

Shark ZS350 Series Issues? Need Help?

Users are encouraged to share their tips or frustrations with their Shark ZS350 Series with the community by leaving a comment. Sharing insights and experiences can help other users get the most out of their vacuum cleaner and avoid common issues.

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Ask a Shark ZS350 Series Question

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