What can I do if the SONAPHONE cannot access an SD card or save data to it?

First, determine whether the error relates to the inserted microSD card used for data export or to the internal device storage.

Problems with an inserted microSD card

The SONAPHONE supports microSD cards with a storage capacity of up to 32 GB.

The LevelMeter, SteamExpert, and LeakExpert apps can save PDF reports and ZIP archives directly to an inserted microSD card.

If the card is not detected or data cannot be saved to it, the following basic steps can be performed:

1. Check that no data are currently being written to the card.
2. Safely unmount the microSD card via the device settings.
3. Remove the card from the SONAPHONE.
4. Insert the card again and check whether it is detected.
5. If the problem persists, check the card on a PC using a suitable card reader.

If the card cannot be accessed reliably on a PC either, the microSD card should be replaced.

How is the microSD card safely removed?

Before removing the card, the SONAPHONE must not be connected to a PC via USB.

Then:

1. Open Settings.
2. Open Storage.
3. Select Unmount SD Card.
4. Confirm the operation.
5. Remove the microSD card only after the corresponding message is displayed.

The card must not be removed while data are being written to it.

Improper removal may result in data loss or damage to the microSD card.

What should be done if the internal device storage is affected?

If an error message refers to the internal storage, or if the storage problem remains after restarting the device, the SONAPHONE should not be opened.

In particular, users should not:

• open the rear of the device,
• remove internal storage media,
• disconnect the battery for troubleshooting purposes.

The SONAPHONE contains no components that are intended to be maintained or repaired by the user.

Where possible, existing measurement data should first be backed up externally. SONOTEC Support should then be contacted.

For troubleshooting, the exact error message, serial number, software version, and any available log files are particularly helpful.