Hifonics Vulcan VXi6002, Owner'S Manual

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24
TROUBLE SHOOTING
Malfunction: no function
Reason: Remedy:
1. The power supply connection of the device is not correct Recheck
2. The cabels have no mechanical or electrical contact Recheck
3. The remote turn-on connection from the head unit to the amplifier is not correct Recheck
4. Defective Fuses. In case of replacing the fuses, ensure the correct fuse rating Replace Fuses
Malfunction: no signal on loudspeakers, but power LED lights up
Reason: Remedy:
1. The connections of the speakers or the RCA audio cables are not correct Recheck
2. The speaker cables or the RCA audio cables are defective Replace cables
3. The loudspeakers are defective Replace speakers
4. HP/BP controller (Subsonic Mode) in LP/BP operation is adjusted to high Turn down controller
5. No signal from the headunit Check head unit settings
Malfunction: one or more channels or controllers are without function / faulty stereo stage
Reason: Remedy:
1. The balance or fader controller of the head unit is not in the center-position Turn to center-position
2. The connections of the speakers are not correct Recheck
3. The loudspeakers are defective Replace speakers
4. HP/BP controller in LP/BP operation is adjusted to high Turn down controller
Malfunction: distortions on the loudspeakers
Reason: Remedy:
1. The loudspeakers are overloaded Turn down the level
Turn down the level on the headunit
Switch off loudness on the headunit
Reset bass EQ on the headunit
Malfunction: No bass or stereo sound
Reason: Remedy:
1. Interchange of loudspeaker cable polarity Reconnect
2. The RCA audio cables are loose or defective Reconnect or replace the cables
Malfunction: amplifier runs into protection mode (red protection LED lights up)
Reason: Remedy:
1. Short circuit on the loudspeakers or cables Reconnect
2. Overheated by too low speaker impedance Choose a higher impedance
Use a new speaker setup
3. Insufficient air circulation by a inappropriate mounting position of the amplifier Change the mounting position
Ensure air circulation
4. Overloaded by insufficient power supply (too small profile section on the power cables) Use a bigger profile section
Malfunction: hiss or white noise on the loudspeakers
Reason: Remedy:
1. The level controllers are turned up to loud Turn down the level
2. The treble controller on the head unit is turned up Turn down the level on the head unit
3. The speaker cables or the RCA audio cables are defective Replacing the cables
4. The hissing is caused by the headunit Check the headunit