LD Systems MAUI 28 MIX - Manual (Page 13)

TROUBLE SHOOTING:
PROBLEM DISPLAY SOLUTION
System is not operational
although it is switched on. Power switch and power LED do not
light up. Check mains connection.
Disconnect the system from the
mains! Check the primary fuse of the
system and replace it if necessary. If
the fuse trips repeatedly, disconnect
the system from the power mains
and hand it over to an authorised
service centre.
Power switch, ON LED and Protect LED
light up. System is overloaded. Reduce volume.
Protect LED goes out after a short
time; the system is operational again.
Protect LED remains lit even after
reduction of the volume. Internal fault. Turn of the system,
disconnect it from the power mains,
and hand it over to an authorised
service centre.
HI-Z input is in use, but the
guitar is inaudible, although
both the HI-Z and Main
Level knobs are turned up. Switch 4 is in the left-hand position
(MP3). Reduce the volume of the guitar
channel and move the switch to the
right-hand position (HI-Z).
MP3 input is in use, but the
MP3 player is inaudible,
although both the MP3
and Main Level knobs are
turned up. Switch 4 is in the right-hand position
(HI-Z). Reduce the volume of the MP3
channel and move the switch to the
left-hand position (MP3).
Microphone signal distorted. Reduce the microphone channel
volume and increase the overall
volume (Main Level). Reduce the
volume of any additionally connected
audio source (e.g., keyboard) by the
same amount.
Guitar/MP3 signal distorted. Reduce the guitar/MP3 channel volume
and increase the overall volume (Main
Level). Reduce the volume of any
additionally connected audio source
(e.g., keyboard, microphone) by the
same amount.
Reduce the volume of the audio
source (e.g., guitar, MP3 player) and
increase the channel and/or overall
volume.
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