DAPAudio CA-4150, User Manual

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20
CA-4150
Product code: D4512
6. Troubleshooting
This troubleshooting guide contains solutions to problems which can be carried out by an ordinary
person. The device does not contain user-serviceable parts. Unauthorized modifications to the device will
render the warranty void. Such modifications may result in injuries and material damage. Refer servicing
to instructed or skilled persons. Contact your Highlite International dealer in case the solution is not
described in the table.
Problem Probable cause(s) Solution
The device does not
function at all
No power to the device
● Check if power is switched on and
cables are plugged in
Main fuse is blown
● Replace the fuse. See 7.3.1. Replacing
the Fuse on page 21
No sound
The volume is set to minimum ● Increase the volume
Bad connections
● Check if the connections between the
device and external devices are
correct
Bursts of noise or other
audible signals
present
Sources of interference are present
● Identify potential sources of
interference and turn them off
The protection
indicator LED (PROT) is
on
The device is operating at its limits
● Turn off the device and identify the
problem
● Decrease the source signal level
● Improve air circulation in the room
where the device is installed
The clipping indicator
LED (CLIP) is on
Sound distortion
● Decrease the source signal level until
the LED turns off.
7. Maintenance
Safety Instructions for Maintenance
DANGER
Electric shock caused by dangerous voltage inside
Disconnect power supply before servicing or cleaning.
Preventive Maintenance
Attention
Before use, examine the device visually for any defects.
Make sure that:
● All screws used for installing the device or parts of the device are tightly fastened and are not
corroded.
● There are no deformations on housings, fixations and installation points.
● The power cables are not damaged and do not show any material fatigue.