Troubleshooting - Hifonics HFI202A 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 Fuse. In case of replacing the fuses, attend by any means the correct fuse rating.
5. By using the High Level Input and not using a separate turn-on-signal (Remote)
the incoming audio signal is too low
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. 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: 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 Fuse
Check the incoming audio signal,
use the separate turn-on-signal (Remote)
Remedy:
Recheck
Replace cables
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:
Turn down the level
Replacing the cables
Check the headunit