36
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 controller in LP/BP operation is adjusted to high
Turn down controller
5. No signal from the head unit
Check head unit settings
6. A wrong input source under INPUT SOURCE is selected, which is not connected (e.g. AUX IN)
Check selection
7. For example on one or more channels „Mute“ is activated in the DSP software.
Check settings
8. The volume level on the remote controller is adjusted too low
Turn up the volume level on the remote
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 controller in LP/BP operation is adjusted to high
Turn down controller
5. For example on one or more channels „Delay“ or „Phase“ is incorrectly set in the DSP software.
Check settings
Malfunction:
distortions on the loudspeakers
Reason:
Remedy:
1. The loudspeakers are overloaded
Turn down the level
Turn
down
the
level
on
the
head
unit
Switch
off
loudness
on
the
head
unit
Reset
bass
EQ
on
the
head
unit
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
3. For example on one or more channels „Delay“ or „Phase“ is incorrectly set in the DSP software.
Check settings
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 in the DSP software 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 head unit
Check the head unit
Содержание Thor TRX4004DSP
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