11
6 Troubleshooting
To keep the warranty valid, never try to repair
the system yourself.
If you encounter problems when using this
apparatus, check the following points before
requesting service. If the problem remains
unsolved, go to the Philips web site (www.
philips.com/welcome). When you contact
Philips, ensure that the apparatus is nearby
and the model number and serial number are
available.
The sound is too low.
The volume is not set correc tly (see •
“Adjust volume”).
The sound is interrupted or stopped suddenly.
The thermal protec tor is activated. •
Reduce the volume.
The ventilation outlet is blo cked. Remove •
any obstructions f rom the outlet.
Alternate noise is heard.
The power connecting wir es are installed •
too close to the RCA pin cords.
The ground wire is not secure ly •
connected to a metal poin t of the car.
Negative speaker wires to uch the car •
chassis.
Sound is distorted.
Make sure the speaker pola rity is correct . •
Adjust phase. •
The protector indicator lights up in red.
The subwoofer is overheated. C ool down •
the subwoofer.
The unit becomes abnormally hot.
Place the subwoofer in a well ventilate d •
location.
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