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Error messages
• Error messages displayed on the Web Remote screen and CU displays are as follows.
• The states of the CU LED error indicators are described together with the CU display error messages.
• If the same error persists even after the following remedies are taken, or when the unit(s) requires repair or parts replacement, contact your
local Audio-Technica dealer.
Web Remote
CU display
(LED indicators)
1
Resume Data Error Resume Data Err Failed to read the resume information.
• The unit was started up using the second from the last setting or default
setting. Although there is no functional limitation, be sure to restart the unit
to check that the same error does not occur again.
2
Preset Data Error Pst Data Err Failed to read the preset data.
• This error may occur when you recall the default preset or the preset which
you successfully recalled last time. Although there is no functional limitation,
be sure to restart the unit to check that the same error does not occur again.
3
DU Power Error DU Power Err
(DU CHAIN: blinks green)
An error occurred when power was supplied to the DU.
• Voltage may fall at the 48V output.
After disconnecting all DUs from the CU, restart the CU. If the same error
occurs again, the CU requires repair.
If the same error does not occur again in
but the error occurs again after
connecting the DUs, there may be a damaged cable or DU. Identify the
damaged cable or DU for replacement or repair.
4
DU Communication Error DU Comm Err
(DU CHAIN: blinks green)
DU individual settings cannot be configured.
• Check that there is no DU connection error.
5
DU Ring to Daisy DU Ring to Daisy
(DU CHAIN: blinks green)
The DU topology has been changed (from ring to daisy).
• If this error occurs even though you did not change the DU connection,
check that there is no DU connection error.
6
DU Daisy to Ring DU Daisy to Ring
(DU CHAIN: blinks green)
The DU topology has been changed (from daisy to ring).
• If this error occurs even though you did not change the DU connection,
check that there is no DU connection error.
7
Number of DU Decreased DU Number Decrease
(DU CHAIN: blinks green)
The number of connected DUs decreased.
• If this error occurs even though you did not change the DU connection,
check that there is no DU connection error.
8
DU Exceeds 100 Units DU Exceeds 100pcs
(DU CHAIN: blinks green)
More than 100 DUs are connected to the DU CHAIN A/B/C/D terminals in total.
• Connect 100 DUs or less to each CU.
9
INT Unit Exceeds 6 Units INT Exceeds 6pcs
(DU CHAIN: blinks green)
More than 6 INTs are connected to the DU CHAIN A/B/C/D terminals in
total.
• Connect 6 INTs or less to CU.
10
DU A/B: Exceeds 50 Units DU A/B Exceeds 50pcs
(DU CHAIN: blinks green)
More than 50 DUs are connected to the DU CHAIN A/B terminals in total.
• Connect 50 DUs or less to the DU CHAIN A/B terminals in total.
11
DU C/D: Exceeds 50 Units DU C/D Exceeds 50pcs
(DU CHAIN: blinks green)
More than 50 DUs are connected to the DU CHAIN C/D terminals in total.
• Connect 50 DUs or less to the DU CHAIN C/D terminals in total.
12
CU Communication Error CU Comm Err
(CU LINK: blinks green)
A communication error occurred between the CUs.
• Check that there is no CU connection error.
13
CU Link OFF CU Link OFF
(CU LINK: blinks green)
CU Link is cancelled.
• If this error occurs unexpectedly, check that there is no CU connection error.
14
Network Communication
Error
Network Comm Err
(REMOTE: blinks green)
(1) A network communication error occurred.
(2) An IP command communication error occurred.
• Check that there is no network connection error.
15
USB Access Error USB Access Err An error occurred when accessing the USB device (mass storage device).
• Check that the USB device (mass storage device) has no problems.
• Check that the same error does not occur with another USB device (mass
storage device).
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