Filter
Top Products
201
Troubleshooting with the DeviceNet Unit Indicators Section 9-1
9-1-2 Troubleshooting Errors Occurring in the DeviceNet Unit
Note 1. The 7-segment display will alternate between the Unit’s node address and
the code given in the tables in this section.
2. When a (master function) structure error or verification error occurs, only
the most recent error is displayed for each slave. If the Unit is set to stop
Error cate-
gory
Error Indicators Error
log
(Hex)
Page
7-segment MS NS
Master func-
tion
Remote I/O communications stopped by
a communications error
A0 --- --- 0346 202
Software set-
tings errors
CPU Unit status error C0 --- --- --- 207
Unit status error C2 --- --- --- 207
Structure error C4 --- --- --- 207
Incorrect setting C5 --- --- --- 208
Multiple switches ON C6 --- --- --- 208
Master func-
tion
Structure
errors
I/O area duplication d0 --- Red (flashing) 0343 202
I/O area range exceeded d1 --- 0343 203
Unsupported slave d2 --- 0343 203
Verification
errors
Non-existent slave d5 --- 0344 203
Illegal vendor d6 --- 0344 204
Illegal connection path d6 --- 0344 204
I/O size mismatch d6 --- 0344 205
Illegal device d6 --- 0344 205
Illegal product code d6 --- 0344 205
Unsupported connection d6 --- 0344 206
Remote I/O communications error d9 --- Red (flashing) 0345 206
Network errors Network power supply error E0 --- OFF or
Red (flashing)
0341 208
Transmission timeout error E2 --- 0342 209
Memory
access errors
Message monitoring timer list logic error E6 Red (flashing) --- 021A 210
Slave scan list logic error E7 --- 021A 211
Master scan list logic error E8 --- 021A 211
Memory access error E9 --- 0602 212
Network errors Node address duplication F0 --- Red (lit) 0211 209
Bus Off detected F1 --- 0340 210
CPU Unit
exchange
Unit number duplication H1 Red (flashing) OFF --- 213
CPU Unit faulty (H2) H2 --- 213
DeviceNet Unit faulty H3 Red (lit) OFF --- 213
Node address setting error H4 Red (flashing) OFF --- 213
Communications speed setting error H5 --- 213
CPU Unit faulty (H6) H6 000F 214
I/O table not registered H7 0006 214
CPU Unit memory faulty HA --- 0012 214
CPU Unit faulty (Hb) Hb 0011 214
Routing table logic error HC 021A 215
I/O refresh error Hd 0347 215
CPU Unit service monitoring error HE 0002 216
CPU Unit watchdog timer error HF 0001 216
Slave function Remote I/O communications error L9 --- Red (flashing) 0345 217
Unit errors Special Unit error OFF Red (lit) OFF 0601
CPU Unit
exchange
CPU Unit fatal error --- --- --- --- 217
Output OFF error --- --- --- ---