The tdv26 instruction manual lists 12 error codes. Here are the 5 most common:

Try using a 3.5mm cable as an external antenna (plug it into the AUX port).

Locate the hex-head manual crank on the bottom of the unit. The manual instructs: “Turn clockwise to open the damper. Never force beyond 95° of rotation.” Forcing it will strip the internal clutch—a repair that costs more than a new unit.

Short press to toggle between Bluetooth, FM, and Line-in (AUX) modes. 4. Troubleshooting and Tips

The accessory model is TDV26-BT. Contact authorized distributors listed on the manufacturer’s website. Do not use third-party dongles; they will not communicate with the proprietary protocol.

Insert a MicroSD/TF card (formatted to FAT32) or a USB drive containing MP3 files into the corresponding slots.

: 3.5mm port used for audio input and to insert the charging cable (which acts as an FM radio antenna). Phones : 3.5mm headphone jack for private listening. Keypad Navigation

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Issue: USB drive or Micro SD card is inserted but will not play.

: Starts or pauses music. In FM mode, a long press auto-scans radio stations.

Short Press: Cycles through the available playback modes (FM Radio, USB, SD Card, Aux Line-In). 3. Step-by-Step Operating Instructions Charging the Battery Slide the physical power switch to the position.