Error Indications And Warnings; Reset Procedure - Sharp Aquos AN-ACS1U Operation Manual

Error indications and warnings

When you fail to perform operations properly, the following messages are displayed on the unit.
Error message
(Shown for 3 seconds)
When HDMI, AUX1 or AUX2 is
selected, all audio input indicators
(PCM, DOLBY DIGITAL, DTS) are
out.
* *
(Shown for 3 seconds)
* * : Number
Power indicator
(blinks red)
(*) Should the same message appear even if the unit is unplugged and plugged in or is set to the stand-by mode and on again,
contact your local dealer where you purchased the unit.

Reset procedure

■ If trouble occurs
When this product is subjected to strong external interference (mechanical shock, excessive static electricity, abnormal
supply voltage due to lightning, etc.) or if it is operated incorrectly, it may malfunction.
Reset procedure
Hold down POWER (for about 8 seconds).
• Keep the button depressed until the power indicator goes out.
• When the power indicator has gone out, the reset procedure is
completed.
Returning the system to the factory default condition (initialization)
1
Hold down POWER and INPUT together (for about 8
seconds).
2
When the power indicator goes out, release POWER.
The power indicator lights up in green and the indication "INIT"
is shown for about one second on the display. The power then
goes out and the power indicator color changes to red. The
procedure is now completed.
When the indication "INIT" is shown, you can release INPUT.
• The cooling fan at the rear of the unit does not run.
Unplug the AC power cord and check if foreign objects get caught around the cooling fan. (*)
• Malfunction of the surround circuit.
If there are possible noise sources in the vicinity (such as a computer or mobile phone), move
these further away, or try plugging their power cords into a different AC outlet from the AQUOS
AUDIO system. (*)
• Malfunction of circuits other than the surround circuit.
If there are possible noise sources in the vicinity (such as a computer or mobile phone), move
these further away, or try plugging their power cords into a different AC outlet from the AQUOS
AUDIO system. (*)
• When there is no input signal.
Play back the connected equipment.
• Nonstandard signal. Cannot be recognized.
Signals other than DOLBY DIGITAL, DTS, Linear PCM cannot be recognized.
• Poor connection of the digital audio input terminal.
Turn off the unit and check if the cable is connected properly.
• Diagnostic self-check has returned an error.
If there are possible noise sources in the vicinity (such as a computer or mobile phone), move
these further away, or try plugging their power cords into a different AC outlet from the AQUOS
AUDIO system. (*)
• Is volume setting very high?
• Is unit placed in a very hot location?
If the system is operated at very high volume levels or in a hot location for an extended period, the
protection circuitry may be triggered.
Unplug the AC power cord and plug it in again after 5 minutes or more.
Then check the operation. (*)
Possible Error
Power indicator Power indicator
POWER button POWER button
Power indicator Power indicator
POWER button POWER button
Display Display
INPUT button INPUT button
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