Portronics Vayu 4.0 — Troubleshooting Guide

Modified on Tue, 3 Nov at 12:00 PM

TABLE OF CONTENTS


Quick Troubleshooting

IssuePossible CauseWhat to Do
Inflator does not operateBattery may be lowCharge the inflator using the Type-C charging cable
Inflator switches OFF in standbyAutomatic shut-off after 90 secondsTurn the inflator ON again
Inflator switches OFF after empty inflationAutomatic shut-off after 2 minutesConnect the hose correctly and restart
Pressure setting appears incorrectWrong pressure unit selectedLong-press Mode for 2 seconds and select the correct unit
Inflation pressure is not as expectedIncorrect mode or preset pressureCheck the selected mode, unit and preset value
Inflator becomes unusually hotHigh temperature during operationShut down the product immediately
Abnormal noise during operationAbnormal operating conditionShut down the product immediately
Inflator cannot be used cordlesslyBattery is lowUse the supplied auxiliary power cable with the car cigarette-lighter socket

1. Inflator Does Not Operate

  1. Check the battery level on the display.
  2. If the battery is low, connect the supplied Type-C charging cable.
  3. Use a 5V USB adapter for charging.
  4. Allow approximately 4–5 hours for a full charge.
  5. Press and hold the Power Button for 3 seconds to turn ON the inflator.

2. Inflator Switches OFF Automatically

  • The inflator switches OFF after 90 seconds in standby.
  • The inflator switches OFF after 2 minutes of empty inflation.

Turn the inflator ON again when required. Ensure the air hose is correctly connected before starting inflation.

3. Pressure Setting Appears Incorrect

  1. Check the pressure unit shown on the display.
  2. Press and hold the Mode Button for 2 seconds to enter unit switching mode.
  3. Select the required unit: PSI, Bar, kPa or kg/cm².
  4. Check the preset pressure again before starting inflation.

The manual warns that selecting the wrong pressure unit may cause over-inflation and a tyre blowout.

4. Inflation Pressure Is Not as Expected

  1. Check that the selected inflation mode matches the object.
  2. Confirm the pressure unit.
  3. Check the preset pressure value.
  4. Adjust the target using + or −.
  5. Confirm that the target is within the selected mode's adjustable range.
ModeDefault PressureAdjustable Range
Car36 PSI26–50 PSI
Bicycle45 PSI30–120 PSI
Motorcycle32 PSI26–45 PSI
Ball9 PSI4–16 PSI
Free ModeUser adjustable3–150 PSI / 0.2–10.3 Bar

5. Inflator Becomes Unusually Hot

  1. Shut down the product immediately if its temperature becomes too high.
  2. Do not touch the air outlet or hose during use or immediately after use.
  3. Allow the product to cool before handling the hose or air outlet.
  4. Do not leave the inflator operating unattended.

The manual states that the built-in DC motor may become warm during use.

6. Abnormal Noise During Operation

  1. Shut down the inflator immediately if abnormal noise occurs.
  2. Stop the inflation process.
  3. Do not continue operating the product while the abnormal condition persists.

The manual does not provide a specific component-level repair procedure for abnormal noise.

7. Inflator Cannot Be Used Cordlessly

If the battery is low, use the supplied auxiliary power cable for corded operation in a car.

  1. Start the car.
  2. Connect the auxiliary power cable to the car's cigarette-lighter socket.
  3. Connect the other end to the power connection at the bottom of the inflator.
  4. Connect the air hose and operate the inflator.

8. Battery Needs Charging or Long-Term Storage

  1. Charge the product using the Type-C charging cable and a 5V USB adapter.
  2. Allow approximately 4–5 hours for charging.
  3. If the product is not used for a long time, charge it at least once every three months.
  4. The manual also recommends monthly charging to help prolong battery life.

Battery display indications:

  • 1 bar flashing: 0% to below 30%.
  • 2 bars ON and 1 bar flashing: 30% to below 65%.
  • 3 bars ON: Fully charged.

Important Safety Reminders

  • The product is not a toy. Children must not use it; the manual advises users to be over 16 years of age.
  • Keep children at a safe distance during inflation.
  • Do not expose the built-in lithium battery to fire, impact, water or overheating.
  • Do not leave the product in a hot car.
  • Keep the product within its stated storage temperature range of −10°C to 45°C.
  • Do not touch the air outlet or hose during use or immediately after use.
  • Shut down immediately if abnormal noise or excessive temperature occurs.
  • Do not leave the inflator unattended during inflation.
  • Confirm the correct pressure unit before setting the target pressure.
  • Use in a dry, clean environment. The product is not waterproof.
  • Do not rinse the product with water.

Still stuck?

If the issue persists after performing the relevant troubleshooting steps, please raise a support request.

Our support team will assist you further.

Support

Was this article helpful?

That’s Great!

Thank you for your feedback

Sorry! We couldn't be helpful

Thank you for your feedback

Let us know how can we improve this article!

Select at least one of the reasons
CAPTCHA verification is required.

Feedback sent

We appreciate your effort and will try to fix the article