Error Indication; Error Number Display On The Cpu-339 Board - Sony HDS-X5800 Installation Manual

2-3. Error Indication

This section describes errors that are indicated on the ERROR No. indicator on the CPU-339 board or
indicated on the front panel LED together with their remedies.

2-3-1. Error Number Display on the CPU-339 Board

8
ND701, ND702, ND703
If any abnormality is detected by self-diagnostics, its error code is displayed. Contents of the respective
error codes are shown below. If two or more errors occur at the same time, only the error code that is
detected first is displayed. In order to display the second error, either remove the cause of the first error or
clear the display by setting the rotary switch (S706) on the CPU-339 board to "5" position.
Error code Contents
000 Normal operation
027 The S-BUS line has the open circuit.
(Detected by use or not use of the 75-ohm terminator.)
040 Cross-point error
Presence/absence of the signal in the input connector
does not match with that in the output connector at the
set cross-point.
050 Battery backup error
This code appears after the power is turned on or
immediately after resetting the system when the setup
data contents that are backed up by battery cannot be
guaranteed.
060 Sync signal error
Reference video signal is not input even though the
operating mode is selected in the status that the cross-
point should be switched in synchronization with the
reference video signal.
070 Fan stop
One or more fans among what are installed in the HDS-
X5800 stop.
072 Temperature rise error
Temperature inside the HDS-X5800 has increased
exceeding the specified temperature.
080 ROM/RAM error
This code appears after the power is turned on or
immediately after resetting the system when result of ROM
differs from the value stored in RAM, or when the write
checksum contents differ from the read contents as the
result of RAM writing test. This code appears only once
after the program version is upgraded. When this code does
not appear, the program version is not upgraded normally.
0FE Flash memory write error
The system does not start up because the program is not
downloaded correctly.
FFF CPU board operation error
During the normal operation, this code appears
momentarily after resetting the system, and the number
changes to eachstatus number. If the code "FFF" is kept
displayed, the program does not start up.
HDS-X5800
ND702
ND703 ND701
Remedy
_
Install the 75-ohm terminator.
Check operation of the input and
output boards and replace the
defective board.
Download the backup data by
referring to Section 2-6-3.
Connect the input reference signal to
the REF IN connector.
Replace the fan unit.
Check ambient temperature and
ventilation of the equipment.
Replace the CPU-339 board.
Re-download the program. (For the
downloading procedure, refer to the
Maintenance Manual.)
Replace the CPU-339 board.
2-3. Error Indication
2-5 (E)