Brand: Dual
Category: Car Audio Receiver
Manual Type:
Language:
Manual for XVM279BT - Troubleshooting and error codes + PDF Download
Uploaded: April 8, 2025, 4:24 a.m.
Warranty Summary
Dual Electronics Corp. warrants the XVM279BT to be free from defects for one year from original purchase date.
Basic Operation Summary:
- Power: Press Power button to turn on/off, adjust volume with knob, mute audio.
- Mode: Switch between Radio, microSD, USB, Bluetooth Phone/Music, AUX, Camera, Settings.
- Inputs: Use AUX input for external audio, USB/microSD for media playback.
- Reset: Use Reset button for abnormal operation.
AM/FM Tuner:
- Select Radio icon, tune frequencies, switch bands (AM/FM), toggle Stereo/Mono, set/recall preset stations, scan presets.
USB/microSD Card:
- Insert media to play audio files, use controls for repeat, random, track navigation, folder navigation, direct search.
Bluetooth:
- Pair device, connect automatically, access phone and music features.
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(s) |
| 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 fuse(s) | Yellow or red wire touching chassis ground Speaker wires touching chassis ground Incorrect fuse rating |
Check for pinched wire Check for pinched wire Use fuses with correct rating |
| Unit has audio (but no video) | Parking brake safety circuit not connected Parking brake not applied |
Check connections at parking brake Apply parking brake as described on page 26 |
| No video display (when in reverse) | Reverse circuit not connected Vehicle is not in reverse |
Check connections at reverse lamp Select reverse gear |
| IR remote does not work | Dead battery | Replace battery |
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(s) |
| 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 fuse(s) | Yellow or red wire touching chassis ground Speaker wires touching chassis ground Incorrect fuse rating |
Check for pinched wire Check for pinched wire Use fuses with correct rating |
| Unit has audio (but no video) | Parking brake safety circuit not connected Parking brake not applied |
Check connections at parking brake Apply parking brake as described on page 26 |
| No video display (when in reverse) | Reverse circuit not connected Vehicle is not in reverse |
Check connections at reverse lamp Select reverse gear |
| IR remote does not work | Dead battery | Replace battery |