Brand: Dual
Category: Car Audio Receiver
Manual Type: User Manual
Language: English
Manual for DXRM57BT - Troubleshooting and error codes + PDF Download
Uploaded: March 12, 2025, 3:54 a.m.
Manual Publish Date: 2017-01-01
Warranty Summary
Dual Electronics Corp. provides a one-year limited warranty from the original purchase date.
Basic Operation
- Power On/Off: Press the power button to turn the unit on or off.
- Volume: Adjust volume using the volume knob.
- Mode: Press MODE to select between Radio, USB, Auxiliary Input, and Bluetooth.
- Mute: Press Mute to silence or resume audio.
Tuner Operation
- Seek Tuning: Press TUNE buttons to seek stations.
- Manual Tuning: Press and hold TUNE buttons for manual tuning.
- Band: Press BAND to select FM or AM bands.
- Storing Presets: Hold preset buttons to store stations.
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 | Check connections for proper voltage (11~16VDC) |
| Unit will not turn on (no power) | Black wire not connected | Check connection to ground |
| Unit will not turn on (no power) | Fuse blown | Replace fuse |
| Unit has power (but no sound) | Speaker wires not connected | Check connections at speakers |
| Unit has power (but no sound) | One or more speaker wires touching each other or touching chassis ground | Insulate all bare speaker wires from each other and chassis ground |
| Unit blows fuses | Yellow or red wire touching chassis ground | Check for pinched wire |
| Unit blows fuses | Speaker wires touching chassis ground | Check for pinched wire |
| Unit blows fuses | Incorrect fuse rating | 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 | Check connections for proper voltage (11~16VDC) |
| Unit will not turn on (no power) | Black wire not connected | Check connection to ground |
| Unit will not turn on (no power) | Fuse blown | Replace fuse |
| Unit has power (but no sound) | Speaker wires not connected | Check connections at speakers |
| Unit has power (but no sound) | One or more speaker wires touching each other or touching chassis ground | Insulate all bare speaker wires from each other and chassis ground |
| Unit blows fuses | Yellow or red wire touching chassis ground | Check for pinched wire |
| Unit blows fuses | Speaker wires touching chassis ground | Check for pinched wire |
| Unit blows fuses | Incorrect fuse rating | 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. |