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Canton DM 90.3 [30/35] Troubleshooting

Troubleshooting

Here is an overview of the most common problems. If you have any further questions please contact your Canton dealer,

call our Service Hotline on +49 (0) 60 83 28 70 or send us an e-mail at info@canton.de.

Problem Possible cause Solution

DM System does not

turn on.

Power cable not connected to the power outlet

and /or DM System

Check connection.

DM System does not

respond to remote

control.

1. The battery is empty. 1. Replace battery, observe correct polarity at insertion.

2. Protective foil has not been removed. 2. Remove the protective foil from remote control.

No playback or too

low volume.

1. Media player is not providing a signal.

(Output on source device is not activated or

volume is set too low).

1. Activate output and/or increase volume (follow the inst-

ructions for the device).

2. Cable incorrectly connected/faulty cable. 2.1. Check the connection between the media player and the

DM system and change the cable if necessary.

2.2. Check that the protective caps have been removed from

the plugs of the optical cable.

No TV sound can be

heard via the HDMI

Output (ARC).

1. Your TV does not support the ARC function. 1. If your TV does not support the function HDMI

with

Audio Return Channel (ARC), please use one of the digital

inputs (OPT or COX) of the DM system.

2. You are using the wrong HDMI

connection

on your TV.

2. Only use the HDMI

connection of your TV marked ARC.

Problem Possible cause Solution

DM System hums. 1. Signal cable from source device to DM Sys-

tem too long (AUX).

1. Use shorter signal cable.

2. Signal cable is not shielded or shielding has

been damaged (defective).

2. Exchange the signal cable by a shielded one.

3. Ground loop (ripple pickup) generated. 3. A ground loop can be generated when two or more de-

vices connected via a signal line (cinch) are plugged into

separate sockets (e. g. ampliﬁer and computer). Plug all

safety class I devices (with a safety plug) connected to the

DM system into one multiple outlet stripe.

4. Another piece of equipment on the same

circuit has no interference suppression

(e. g. fridge).

4. Switch off possible sources of interference to test; unplug

the device concerned to see if the humming noise disap-

pears or connect the source of interference to a different

circuit (L1, L2 or L3). (Where necessary take advice from

your electrician.) Insert a special “sheath current ﬁlter”

(available from specialist retailers) between the ampliﬁer

and the DM System to eliminate the humming. Turn the

power plug round to reduce the so-called ripple voltage

(particularly important if the source device is not earthed).

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Canton DM 90.3 [30/35] Troubleshooting

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