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Troubleshooting
The device you have just purchased is equipped with state-of-the-art technology and
is safe to operate. Nevertheless, problems or malfunctions may occur.
Before contacting a service technician, refer to the following possible solutions:
Distorted sound or no sound is audible
› Check if everything has been connected properly.
The remote control is not working
› Check if the batteries have been inserted correctly.
› If batteries are empty, replace them with new ones.
› Point the remote control to the remote sensor and press to operate.
› Remove any objects found between the remote control and the remote sensor.
› Make sure the distance between the remote control and the device does not
exceed 8 m.
Buttons do not function (on the device and/or remote control)
› Turn the device off and then on again. As an alternative, slide the power switch on the
device to OFF, unplug it from the power outlet and plug in again. After waiting a while,
slide the power switch to ON again. (The device may also not be functioning due
to a stroke of lightning, static charge or other external factors.).
Distorted/Noisy reception or no picture
› The reception frequency has not been set properly.
› The antenna is not adjusted properly.
› Try positioning the antenna somewhere else.
› Start an automatic channel scan.
Any repairs other than those mentioned above are to be carried out solely by
an authorized technician.
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Chapter 9 Troubleshooting
9
Maintenance, handling
and cleaning
Never operate the device in places with extreme high or low temperatures.
Permissible storage temperatures: – 25° C bis 60° C
Permissible operating temperatures: 0° C bis 40° C
Should pixel errors (to light or to dark pixels) appear during operation, then this does
not necessarily mean that the device is defect. These errors are a common TFT LCD
technology problem. Up to 5 pixel errors are acceptable.
Maintenance
Carry out a technical safety inspection on a regular basis, e.g. check if the power cable
or housing may have become damaged.
If there is reason to believe that the device can no longer be operated safely, then
disconnect it immediately from the power supply and secure it against any unintenti-
onal operation. Carefully remove the power cable plug from the wall outlet and where
applicable switch off the corresponding circuit breaker first.
It can be assumed that safe operation is no longer possible, if:
› there is visible damage to the device or power cable,
› the device no longer works,
› it has been stored for a longer period of time under unfavourable conditions
› or exposed to rigorous transport conditions.
Always adhere to the following safety instructions before cleaning or servicing the de-
vice:
The device must be disconnected from the power supply source prior to service, main-
tenance or repairs.
Capacitors within the device may still carry voltage even though they have been dis-
connected from all power supply sources.
Live parts may be exposed, if the covering is opened or parts are removed.
Chapter 10 Maintenance, handling and cleaning
10
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