Fault Codes DTC & Troubleshooting
Table Of Contents
- Cover
- Copyright
- SAFETY PRECAUTIONS
- Revision record
- PREFACE
- CONTENTS
- FIGURES
- TABLES
- 1 PRELIMINARY CHECKING
- 2 TROUBLESHOOTING
- 2.1 Troubleshooting Procedure
- 2.2 Troubleshooting Maps
- LPU
- ● None of the LED indicators comes on.
- ● The ERR indicator (LED) is lit.
- ● The remote I/O process produces outputs but does not accept inputs.
- ● The PCs OK output is OFF.
- ● The sequence program does not run.
- ● A DI/O or AI/O module mounted on the same mount base as is the LPU module does not runnormally.
- CMU
- PS Power supply
- FL.NET
- OD.RING, SD.LINK
- ET.NET (LQE520)
- SV.LINK
- J.NET, J.NET-INT
- IR.LINK
- CPU LINK Inter-CPU link
- RS-232C, RS-422
- D.NET
- EQ.LINK
- ET.NET (LQE720)
- RI/O
- J.Station
- IR.Station
- D.Station
- A.INPUT Analog input
- A.INPUT Scan-type analog input
- A.OUTPUT Analog output
- D.INPUT Digital input
- D.OUTPUT Digital output
- D.IN/OUT Digital input/output
- COUNTER Pulse counter
- Tool (personal computer) connection
- LPU
- 3 TECHNICAL SUPPORT INFORMATION
- 3.1 Remote I/O Troubleshooting
- 3.2 LPU Error Information Detail Table
- 3.3 Clearing the Entire Memory
- 3.4 Backing Up and Restoring
- 3.5 Performance
- 3.6 Address Space Maps
- 3.7 Registers
- 3.8 Memory Maps for Optional Modules
- 3.9 FL.NET (Model LQE500/LQE502) Error Information
- 3.10 OD.RING (Model LQE510/515) and SD.LINK (Model LQE530) Communication Traces
- 3.11 ET.NET (Model LQE520) Error Information
- 3.12 SV.LINK (Model LQE521) Error Information
- 3.13 J.NET (Model LQE541), J.NET-INT (Model LQE547), and IR.LINK (Model LQE548) Trace Information
- 3.14 RS-232C (Model LQE560) and RS-422 (Model LQE565) Trace Information
- 3.15 D.NET (Model LQE570/575) Statistical and Error Information
- 3.16 ET.NET (Model LQE720) Error Information
- 3.17 Error Freeze Information
- 3.18 Memory Dump Procedure
- 3.19 Network Information
- 3.20 Network Maintenance Commands
- 4 ERROR LOG INFORMATION
- 4.1 Displaying Error Log Information
- 4.2 Error Log Information and Required Actions
- 4.2.1 LPU (model LQP510) error log info and required actions
- 4.2.2 CMU (model LQP520) error log info and required actions
- 4.2.3 FL.NET (model LQE500/502) error log info and required actions
- 4.2.4 OD.RING (model LQE510/515) error log info and required actions
- 4.2.5 ET.NET (model LQE520) error log info and required actions
- 4.2.6 SV.LINK (model LQE521) error log info and required actions
- 4.2.7 SD.LINK (model LQE530) error log info and required actions
- 4.2.8 J.NET (model LQE541) / J.NET-INT (model LQE547) error log info and required actions
- 4.2.9 IR.LINK (model LQE548) error log info and required actions
- 4.2.10 CPU LINK (model LQE550) error log info and required actions
- 4.2.11 RS-232C (model LQE560) / RS-422 (model LQE565) error log info and required actions
- 4.2.12 D.NET (model LQE570/575) error log info and required actions
- 4.2.13 EQ.LINK (model LQE701) error log info and required actions
- 4.2.14 ET.NET (model LQE720) error log info and required actions
- 4.2.15 NCP-F (model LQE780-Z) error log info and required actions
- 4.2.16 LANCP (model LQE790-Z/795-Z) error log info and required actions
- 4.3 CMU Error Message Formats
- 4.4 RPDP Error Log Display Guide
- 4.4.1 Reading the error log
- 4.4.2 Types of error logs
- 4.4.3 Error log details and analysis
- (1) Program error
- (2) Macro parameter check error
- (3) I/O error
- (4) Watchdog timer timeout error
- (5) Module error
- (6) Kernel warning
- (7) Kernel information
- (8) System down -- system error
- (9) System down -- kernel trap
- (10) System down -- built-in subroutine error
- (11) System down -- built-in subroutine stoppage
- (12) ADT error
- (13) Memory error
- (14) System bus error
- (15) Other error
- 4.4.4 Reading the DHP trace information
- 4.5 Maintenance Commands
- 5 APPENDIX
- 5.1 Tool Error Messages
- 5.1.1 Error messages from the LADDER CHART SYSTEM
- 5.1.2 Error messages from the HI-FLOW SYSTEM
- 5.1.3 Error messages from the BASE SYSTEM
- 5.1.4 Error messages from the FL.NET SYSTEM
- 5.1.5 Error messages from the OD.RING/SD.LINK SYSTEM
- 5.1.6 Error messages from the ET.NET SYSTEM
- 5.1.7 Error messages from the J.NET SYSTEM
- 5.1.8 Error messages from the IR.LINK SYSTEM
- 5.1.9 Error messages from the CPU LINK SYSTEM
- 5.1.10 Error messages from the EXTERNAL SERIAL LINK SYSTEM
- 5.1.11 Error messages from the D.NET SYSTEM
- 5.1.12 Error messages from the EQ.LINK SYSTEM
- 5.1.13 Error messages from the BACKUP RESTORE SYSTEM
- 5.1.14 Error messages from the NX/Tools-S10V SYSTEM
- 5.1.15 Error messages from the tools
- 5.2 Trouble Report
- 5.1 Tool Error Messages
4 ERROR LOG INFORMATION
- 331 -
Item Description
MST
0 20 21 22 23 24 25 26 27 28 29 30 31
0 0 0 0
MAAE NODTACK
ACKBUSYTO ME
RSERR TDPE
INVCMD TAPE
STA
Bit no. Bit name Read-in value Meaning
0 to 20 － Always 0.
21 MAAE 0: Not detected.
1: Detected
Indicates whether or not, when the
target was in operation, an illegal
byte-enable was detected in a write.
22 to 23 Reserve Always 0.
24 ACKBUSYTO 0: Not detected.
1: Detected.
Indicates whether or not a “BGACK
busy” timeout was detected.
25 RSERR 0: Not received.
1: Received.
Indicates whether or not an SERROR
signal was received.
26 INVCMD 0: Not received.
1: Received.
Indicates whether or not, when the
target was in operation, an illegal
command was detected.
27 STA 0: Not sent out.
1: Sent out.
Indicates whether or not, when the
target was in operation, an error
transaction was sent out.
28 TAPE 0: Not received.
1: Received.
Indicates whether or not an address
parity error was detected.
29 TDPE 0: Not received.
1: Received.
Indicates whether or not, when the
target was in operation, a write-data
parity error was detected.
30 ME 0: Not received.
1: Received.
Indicates whether or not, when the
target was in operation handling a
high-speed bus/S10 bus read, a 2-bit
ECC error was detected in memory.
31 NODTACK 0: Not received.
1: Received.
Indicates whether or not, after the start
of the S10 bus, a timeout due to no
DTACK output was detected.
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