Omron DST1-ID12SL-1, Operation Manual

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Troubleshooting Section 7-2
7-2-3 Safety Output Errors
Explicit Message for Reading the Cause of the Error
Note The instance numbers for safety outputs 0 to 7 are 1 to 8 (01 to 08 hex),
respectively.
Code Error Probable cause Countermeasure
01 hex Configuration invalid The configuration is invalid. Configure the DST1 correctly.
02 hex Over current detected Trouble with the connected device Replace the connected device.
03 hex Short circuit to low Ground fault of the output signal line Check the wiring.
04 hex Stuck at high 1. The power source (positive side) is
in contact with the output signal line.
2. Trouble with the internal circuit
3. The I/O power supply voltage is not
within specifications.
1. Check the wiring.
2. Replace the DST1.
3. Make sure the I/O power supply
voltage is within specifications.
05 hex Failure of the associated dual
channel output Dual channels are set and an error
occurred in the other channel. Remove the error in the other chan-
nel.
06 hex Internal Relay Relevant Circuit
Error (Replace Module)
(DST1-MRD08SL-1 only) Trouble with the internal circuit Replace the DST1 if the system fail-
ure still occurs after turning the
power supply ON again.
07 hex Relay Failure (Replace Relay)
(DST1-MRD08SL-1 only) Trouble with the relay Replace the relay.
08 hex Dual channel violation Wrong setting for output data Check the program.
09 hex Cross connection detected Short-circuit between output signal
lines. Check the wiring.
0x0A EDM Error (Replace Module)
(DST1-XD0808SL-1 only) 1. Break in the EDM feedback signal
line, or contact with power supply
(positive side), or ground fault
2. Contactor or relay contact weld fault
1. Check the wiring.
2. Replace the contactor or relay.
Explicit
message
Read/
write
Function Command Response
Service
code
Class
ID
Instance
ID
Attribute
ID
Data
size
Safety Output
Cause of Error
Information Read Read Reads the cause
for the normal flag
(1 to 8) specified
by the instance ID
turning OFF.
(See note.)
0E hex 3B hex 01 to 08
hex
6E hex - 0: No error
Or error code