Brand: Dual
Category: Car Radio
Manual Type: User Manual
Language: English
Manual for XDM27BT - Troubleshooting and error codes + PDF Download
Uploaded: March 7, 2025, 11:48 p.m.
Warranty Summary
Dual Electronics Corp. warrants this product to be free from defects for one year from the original purchase date.
Basic Operations:
- Power On/Off: Press the power button to turn the unit on or off.
- Changing Modes: Use the MODE button to select between Radio, USB, AUX, and Bluetooth.
- Volume Adjustment: Rotate the volume knob to adjust the volume level (00-40).
- Mute: Press the mute button to silence audio; press again to resume.
- Auxiliary Input: Insert a 3.5mm cable into the front AUX port for external audio sources.
- Reset: Press the RESET button to restore factory settings.
- Setting the Clock: Press DISP, hold DISP, then use TUNE buttons to set hours and minutes, save with DISP.
- Display Toggle: Press DISP to cycle through different display information.
- Audio/Menu Access: Momentarily press volume knob for audio functions, press and hold for menu options, rotate to adjust.
Troubleshooting and error codes
| Problem | Cause | Action |
|---|---|---|
| Unit will not turn on (no power) | Yellow wire not connected or incorrect voltage Red wire not connected or incorrect voltage Black wire not connected Fuse blown |
Check connections for proper voltage (11~16VDC) Check connection to ground Replace fuse |
| Unit has power (but no sound) | Speaker wires not connected One or more speaker wires touching each other or touching chassis ground |
Check connections at speakers Insulate all bare speaker wires from each other and chassis ground |
| Unit blows fuses | Yellow or red wire touching chassis ground Speaker wires touching chassis ground Incorrect fuse rating |
Check for pinched wire Check for pinched wire Use fuse with correct rating |
| NO FILE appears on display | No playable MP3 files found on the device | Check the device for valid MP3 files |
| NO SUPPORT appears on display | An invalid ID3 tag version is present | Version 1.0 to 2.0 ID3 tags are supported. |
Troubleshooting and error codes
| Problem | Cause | Action |
|---|---|---|
| Unit will not turn on (no power) | Yellow wire not connected or incorrect voltage Red wire not connected or incorrect voltage Black wire not connected Fuse blown |
Check connections for proper voltage (11~16VDC) Check connection to ground Replace fuse |
| Unit has power (but no sound) | Speaker wires not connected One or more speaker wires touching each other or touching chassis ground |
Check connections at speakers Insulate all bare speaker wires from each other and chassis ground |
| Unit blows fuses | Yellow or red wire touching chassis ground Speaker wires touching chassis ground Incorrect fuse rating |
Check for pinched wire Check for pinched wire Use fuse with correct rating |
| NO FILE appears on display | No playable MP3 files found on the device | Check the device for valid MP3 files |
| NO SUPPORT appears on display | An invalid ID3 tag version is present | Version 1.0 to 2.0 ID3 tags are supported. |