Troubleshooting - Hifonics HFI200A MKII Betriebsanleitung

ENG

TROUBLESHOOTING

Malfunction: no function
Reason:
1. The power supply connection of the device is not correct.
2. The cabels have no mechanical or electrical contact.
3. The remote turn-on connection from the headunit to the amplifier is not correct.
4. Defective Fuses. In case of replacing the fuses, attend by any means the correct fuse rating.
Malfunction: no signal is audible, but power LED lights up
Reason:
1. The connection of the speakers or the RCA audio cables is not correct.
2. The speaker cables or the RCA audio cables are defective.
3. The loudspeaker is defective.
4. No signal from headunit.
Malfunction: distortions is audible
Reason:
1. The loudspeaker is overloaded.
Malfunction: no bass is audible
Reason:
1. Interchange of loudspeaker cable polarity positive (+) and negative (-).
2. The RCA audio cables are loose or defective.
Malfunction: soundsystem shuts down while operation (Protection Mode)
Reason:
1. Short circuit on the cable connections.
2. Overheated by insufficient air circulation by a inappropriate mounting position of the amplifier.
3. Overloaded by insufficient power supply (too thin profile section on the power cables).
Malfunction: hiss or white noise is audible
Reason:
1. The level controllers are turned up.
2. The speaker cables or the RCA audio cables are defective.
3. The hissing is caused by the headunit.
Remedy:
Recheck
Recheck
Recheck
Replace Fuses
Remedy:
Recheck
Replace cables
Replace speakers
Check headunit settings
Remedy:
Turn down the level
Turn down the level on the headunit
Switch off loudness on the headunit
Reset bass EQ on headunit or amp
Remedy:
Reconnect
Reconnect or replacing the cables
Remedy:
Reconnect
Change the mounting position
Ensure air circulation
Use a bigger profile section
Remedy:
Turn down the level
Replacing the cables
Check the headunit