Shark WV400 Series Troubleshooting

If you are having problems with your Shark WV400 Series Vacuum Cleaner, you are not alone. Many Shark WV400 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 WV400 Series

Reported Shark WV400 Series Issues

What issue are you encountering?

Solution:

  • My vacuum is not charging
    • Check to ensure that the hose is securely attached to the unit
      • Plug the charging adapter into a working electrical outlet and place the unit on the charging dock
      • What is the status of the power light?
        • The power button is blinking
          • This means the vacuum is low on battery and needs to be charged.
        • Dimmed Power button
          • Remove the vacuum from the charging dock and turn it on
        • No light
          • Remove the vacuum from the charging dock. Remove the battery by squeezing the two tabs on both sides of the battery and pulling it from the back of the hand vac. Replace the battery by reinserting it until it clicks into place. Replace the vacuum on the charging dock
        • The boost mode button is blinking
          • The vacuum may have overheated, and when placed in the dock may not indicate the unit is charging.
          • The vacuum is equipped with a motor-protective thermostat. If for some reason your vacuum overheats, the thermostat will automatically turn the unit off. Typically, overheating is caused by a clogged airway. Allow the vacuum to cool down for 60 minutes and check for blockages.
          • If the issue persists 
          • Our Shark specialists are available to assist you, please contact customer support at 1- 855-427-5127
  • My vacuum will not turn on or turn off on its own
    • Turn on the hand vac.
    • What are the power and mode buttons doing?
      • The power button, boost mode, and ECO buttons are all blinking
        • The battery pack is not properly installed in the unit. To install slide the battery into the compartment in the handle until it clicks into place
      • The ECO mode button blinks 10 times in 2-second increments
        • Turn the hand vac off, then turn it back on
      • The Boost mode button is blinking
        • The vacuum may have overheated. The vacuum is equipped with a motor-protective thermostat. If for some reason your vacuum overheats, the thermostat will automatically turn the unit off. Typically, overheating is caused by a clogged airway. Allow the vacuum to cool down for 60 minutes and check for blockages.
        • If the issue persists
        • Our Shark specialists are available to assist you, please contact customer support at 1- 855-427-5127
      • The Boost mode button blinks 5 times in 2-second intervals, then stops
        • There may be a clog or jam in the nozzle.
        • Turn off the vacuum.
        • Look at the bottom of the floor nozzle and check the nozzle opening for jams or clogs. Remove any obstructions.
        • Turn the unit back on
      • The ECO mode button blinks 5 times in 2-second increments
        • Turn the hand vac off, then turn it back on
  • My vacuum has no or low suction
    • If you are unable to pick up stuck-on debris, try using the Boost mode.
    • However, if the issue persists, turn off the unit. Empty the dust cup by sliding the Dust Cup Release button on the bottom of the hand vac towards you.
    • Clear any hair or other debris from the filter housing inside the dust cup. Pull on the tabs on both sides of the filter housing and pivot it upwards to access the filter.
    • Remove the filter by gently pulling the wire handle. Tap the filter over the trash to remove any excess debris. Without reinstalling the filter, close the dust cup and turn on the hand vac.
  • There is a burning smell
    • The vacuum may have a new motor smell the first couple of uses.
    • Turn off the unit. Remove the hand vac from any accessories. Inspect the connection points on the handvac for debris, damage, or melting
  • My vacuum is making an unusual noise
    • Turn off the hand vac. Look into the nozzle and clear any debris.
    • Empty the dust cup by sliding the Dust Cup release button on the bottom of the handvac towards you. Clear any hair or other debris from the tiler housing inside the dust cup.
    • Pull up the tabs on both sides of the filter housing and pivot it upwards to access the filter. Remove the filter by gently pulling the wire handle. Tap the filter over the trash to remove any excess debris.
    • Turn on the unit without the filter in the unit
  • Low Runtime
    • To get the most runtime, ensure the battery is fully charged before use.
    • You can check this by charging the unit on the charging dock. It can take up to 3.5 hours to fully charge.
    • Runtime depends heavily on cleaning mode. Keep in mind that using the Boost mode will reduce run time.
    • How long does the vacuum run?
    • Compare to runtimes listed.
    • ECO Mode – 35 minutes runtime
    • Boost Mode – 8 minutes runtime
    • Deep Clean Mode – 20 minutes runtime

Shark WV400 Series Vacuum Cleaner Problems

Below are common issues and solutions for the Shark WV400 Series:

The Shark WV400 Series ECO mode button blinks 5 times in 2-second intervals, then stops

Cause Solution
  • Charger over voltage or overcurrent
  • Make sure that you are using the Shark® charging dock. Do not use any other brands of chargers or batteries. If you are using the correct Shark charging dock and the problem persists, contact Customer Service at 1-800-798-7398

The Shark WV400 Series Power, Boost mode, and ECO mode buttons are all blinking

Cause Solution
  • The battery is not properly inserted into the vacuum cleaner
  • If available, try another battery. Make sure the battery is installed correctly. To install, slide the battery into the compartment until it clicks into place. If the problem persists, contact Customer Service at 1-800-798-7398

The Shark WV400 Series ECO mode button blinks 10 times in 2-second intervals, then stops

Cause Solution
  • Overcurrent or short
  • With the power off, check the nozzle opening for jams or clogs. Remove any obstructions. If the problem persists, contact Customer Service at 1-800-798-7398

The Shark WV400 Series shuts off. The power button blinks 5 times in 2-second intervals, then stops.

Cause Solution
  • Low voltage start
  • With the power off, check the nozzle opening for blockages. Remove any obstructions. Allow the unit and battery to cool for at least 45 minutes, returning to room temperature. The battery may need to be charged. Charge completely (approximately 3.5 hours) by placing the vacuum on the charging stand. If the problem persists, contact Customer Service at 1-800-798-7398

The Shark WV400 Series Boost mode button is blinking.

Cause Solution
  • Motor is overheating
  • Allow the vacuum cleaner and battery to cool to room temperature for about 45 minutes. While waiting, refer to the cleaning section and remove any blockages. These can impede airflow. The unit can be placed on the charger and will start charging when it has reached normal temperature

The Shark WV400 Series Boost mode button blinks 5 times in 2-second intervals, then stops.

Cause Solution
  • Overspeed
  • With the power off, check the nozzle opening for jams or clogs. Remove any obstructions. If the problem persists, contact Customer Service at 1-800-798-7398

If your Shark WV400 Series has three battery LED indicator lights, follow the troubleshooting below

BATTERY LED INDICATOR Cause Solution

All 3 battery indicator LEDs are blinking

  • The battery is not properly inserted into the vacuum cleaner
  • If available, try another battery. Make sure the battery is installed correctly. To install, slide the battery into the compartment in the handle until it clicks into place. If the problem persists, contact Customer Service at 1-800-798-7398.

1st and 3rd LEDs are blinking

  • Motor is overheating
  • Allow the vacuum cleaner and battery to
    cool to room temperature for about 45 minutes.
  • While waiting, refer to the cleaning section and remove any blockages. These can impede airflow.
  • The unit can be placed on the charger and will start charging when it has reached normal temperature.

1st and 2nd LEDs are blinking

  • Overcurrent or short
  • With the power off, check the nozzle opening for jams or clogs. Remove any obstructions. If the problem persists, contact Customer Service at 1-800-798-7398.

1st LED is blinking

  • The battery needs to be charged
  • Charge the battery by sliding the vacuum into the charging dock nozzle-first. Make sure the contacts on the vacuum are aligned with the contacts on the charging dock

2nd LED is blinking

  • Overspeed
  • With the power off, check the nozzle opening for jams or clogs. Remove any obstructions. If the problem persists, contact Customer Service at 1-800-798-7398.

3rd LED is blinking

  • Communication
  • Call Customer Service at 1-800-798-7398.

2nd and 3rd LEDs are blinking

  • The charging dock may be defective
  • Make sure that you are using the Shark® charging dock. Do not use any other brands of chargers or batteries. If you are using the correct Shark charging dock and the problem persists, contact Customer Service at 1-800-798-7398

 

Shark WV400 Series Replacement Parts

How to Diagnose and Repair a Shark WV400 Series

This guide will help you identify and resolve issues with your Shark WV400 Series Vacuum Cleaner.

Shark WV400 Series Issues? Need Help?

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