Omron GRT1 - 27-11-2006, Operation Manual

Page: 87 / 111

68
Other Errors
Section 4-3
Communication Unit Error History
Slice Bus Error History
Error
code
(Hex)
Meaning Detailed Error Code Corrective action Non
Volatile
1st byte 2nd byte
0002 WDT error 0x00 0x00 Replace the Unit if the error occurs
frequently. Yes
0370 Verification error (Slave missing) 00 00 Connect the missing Unit and restart. No
0372 Verification error (unregistered
Slave joined network) 0x80:
Slice I/O Node address
(Hex) Remove the unregistered Unit and
restart. No
021A Setting table logic error
Cause:
There was a checksum error in on
of the following tables or a set
value was out-of-range.
• Network parameters
• Registration table
• Slave parameters
• Backup restore data
0x00 0x0A: Registra-
tion table
0x0B: Slave
parameters
0x0C: Network
parameters
0x0F: Backup
restore data
Download the settings again. Yes
0602 Memory access error
Cause:
• A hardware error occurred in the
Unit’s internal non-volatile mem-
ory.
• E2P hardware error
• Backup communication failure
• FROM save failure
• EEPROM save failure
• FROM hardware error
• ADR failure (communication fail-
ure)
0x01:
Read
error
0x02:
Write
error
0x07: Error his-
tory
0x09: Identity
information
0x0A: Registra-
tion table
0x0C: Network
parameters
0x0F: Backup
restore data
(E2P/FROM)
Replace the Unit if the error occurs
frequently. Yes
(No for
error
history
only)
Error
code
(Hex)
Meaning Detailed Error Code Corrective action Non
Volatile
1st byte 2nd byte
0300 Backup data reception error 0x80:
Slice I/O Node address
(Hex) Verify that the Unit is connected
properly. Check for excessive envi-
ronmental noise No
0374 Transmission error
Cause: A transmission error
occurred.
0x80:
Slice I/O Node address
(Hex) Verify that the Unit is connected
properly. Check whether there is
excessive noise in the surroundings. No
0375 Communication stopped due to a
transmission error.
Cause:
The Unit is set to stop communi-
cation for communication errors
and a transmission error occurred.
(Error code 0374 will not occur in
this case.)
0x80:
Slice I/O Node address
(Hex) Verify that the Unit is connected
properly. Check whether there is
excessive noise in the surroundings. Yes
0376 Slave duplication error
Cause: A Slave duplication error
occurred.
0x80:
Slice I/O Node address
(Hex) Verify that the Unit is connected
properly and turn the power ON
again. No
0378 I/O size error 0x00 0x00 Verify that the Unit is connected
properly and turn the power ON
again. No
0379 Slice configuration error 0x00 0x00 Verify that the Unit is connected
properly and turn the power ON
again. No