Error Messages; List Of Messages After Auto Calibration Measurements - Sony STR-ZA810ES Mode D'emploi

Audio
There is no sound, no matter which equipment is selected, or only
a very low-level sound is heard.
 Check that the speakers and equipment are connected correctly.
 Check that both the receiver and all equipment are turned on.
 Check that MASTER VOLUME control is not set to [VOL MIN].
 Check that SPEAKERS is not set to [SPK OFF] (page 11).
 Try pressing the input button on the remote control to select the
equipment of your choice.
The sound lags behind the picture.
 When you listen to sound from one of the following sources and
watch video using the Wireless Multi-Room function, the sound is
delayed in order to synchronize it with the sound output from the
speakers in another location.
 Devices connected to the HDMI IN, OPTICAL IN, COAXIAL IN, or
AUDIO IN jacks
 TVs compatible with the eARC or ARC function and connected
to the HDMI OUT A (TV) jack
If the sound lag bothers you, deactivate the synchronization with
speakers in another location* by the following procedure.
* If you deactivate the synchronization with other speakers, the
sound and video output from the receiver will be synchronized, but
the sound output from speakers in another location will be delayed.
If sound is input from :
1 Press OPTIONS.
The options menu appears.
2 Select [Multi-room Sync] - [Off].
If sound is input from :
1 Press AMP MENU.
The menu is displayed on the display panel of the receiver.
2 Press / and
to select [<AUDIO>] (Audio Settings) - [M/R
SYNC] - [OFF].
HDMI input
 Depending on the playback equipment, equipment may need to
be set up. Refer to the operating instructions supplied with the
equipment.

Error messages

You can check the status of the receiver by the message. See the
following to solve the problem. If any problem persists, consult your
nearest Sony dealer.
PROTECTOR
 The receiver is covered and ventilation holes are blocked. The
receiver will automatically turn off after a few seconds. Remove
the object covering the upper panel of the receiver and turn on the
power again.
 Irregular current is output to the speakers due to a short circuit on
the speaker terminals. The receiver will automatically turn off after
a few seconds. If the protective device on the receiver is activated
due to a short-circuit problem, turn off the receiver.
Check the connection of the speakers and turn on the power
again.
UPDATE FAILED
 Insert a USB flash drive on which the package file for updating the
receiver is saved, and then turn the receiver off and turn it on
again.

List of messages after Auto Calibration measurements

Display Explanation
Code 30 Headphones are connected. Please disconnect the
headphones and retry calibration.
Code 31 The front speakers are not selected correctly. Select the
correct front speaker configuration using SPEAKERS on
the front panel of the receiver. Make sure that the
receiver outputs sound and then try calibrating again.
continued
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