Unable to charge

charge_none

The following describes possible solutions when the earphones cannot be charged.
Follow the steps below to check whether the problem can be solved.

Select a relevant symptom

The earphones may not have been properly charged due to poor contact.

Check the state of the charging terminal followed by checking whether charging can be properly performed.

Checking the state of the charging terminal

  1. Check whether there is dust or dirt on the charging terminal

  2. Dust or dirt on the charging terminal may result in poor contact. Conduct checks on a periodic basis.

  3. Insert the USB cable and make sure that it is plugged in all the way

  4. The indicator on the charging case lights up or flashes when charging starts.

Select a relevant charging case indicator state

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Charging cannot be properly performed for some reason.

Check whether the charging can be properly performed by following the conditions indicated below.

Check the adapter, cable and charging temperature range

Check to make sure that the following conditions are met before charging.

Is the adapter in use a DC 5 V adapter?

Is the current of the adapter in use 1 A or higher?

Is the USB cable that comes supplied with the earphones being used?

Is the ambient temperature during charging between 5 °C and 35 °C ?

Select a relevant charging case indicator state

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There seems to be a problem with the product.
If you require more assistance, please contact your local JVC customer support.

The charging case may have run out of power.

Charge the charging case and check whether the earphones can be properly charged.

Charge the charging case

    Connect the charging cable provided to start charging.
    charging_2_No-PC_charge_NP40T + Charge_2_NP40T

    5V TYPE

    Indicators

    Keep the charging terminal clean.

    The indicator on the charging case flashes while charging is in progress.

    When charging the charging case that has not been used for a long period of time, it might take some time for the indicators to light up or flash. Wait for the indicators to light up or flash.

    When charging is complete, all indicators go out.

Insert the earphones into the charging case

  1. Rotate this unit to open the ear hook

  2. hook_open_NP40T
  3. Insert the earphones into the charging case

  4. ear_LR_NP40T
    charging_1_NP40T

    During charging, the indicators on the earphones light up. Also, the indicator light on the charging case will turn on for a few seconds.

    When charging the earphones that have not been used for a long period of time, it might take some time for the indicators to light up. Wait for the indicators to light up.

Select the state after checking

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The earphones may not have been properly charged due to poor contact.

Clean the contacts and check whether the earphones can be properly charged.

Cleaning the contacts

  1. Use a cotton swab to remove any dirt from the contacts of the earphones and charging case

  2. charging_4_NP40T + Connet_Point_NP40T

    Charging terminals

    Dirt or dust attached to the contacts may result in poor contact and prevent charging from being performed properly.

  3. Rotate this unit to open the ear hook

  4. hook_open_NP40T
  5. Insert the earphones securely into the charging case

  6. ear_LR_NP40T
    charging_1_NP40T

    During charging, the indicators on the earphones light up. Also, the indicator light on the charging case will turn on for a few seconds.

    When charging the earphones that have not been used for a long period of time, it might take some time for the indicators to light up. Wait for the indicators to light up.

Select the state after checking

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There seems to be a problem with the product.
If you require more assistance, please contact your local JVC customer support.

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