Omron YRC User Manual

A
Troubleshooting
A-66
[28] Alarm related to the driver I/F
28.900: Driver version mismatch
Code : &H001C &H0384
Meaning/Cause
The software version of the driver unit was not appropriate.
Action
Update the software version of the driver unit.
28.902: DMA transfer timeout
Code : &H001C &H0386
Meaning/Cause
Time-out occurred in the communication process between the CPU unit and driver unit.
Action
Contact your distributor.
28.903: Driver interrupt timeout
Code : &H001C &H0387
Meaning/Cause
Time-out occurred in the communication process between the CPU unit and driver unit.
Action
Contact your distributor.
28.904: RTOS fail
Code : &H001C &H0388
Meaning/Cause
Software error occurred.
Action
Contact your distributor.
28.905: Send checksum fail
Code : &H001C &H0389
Meaning/Cause
The driver unit received abnormal data.
Action
Contact your distributor.
28.906: Receive checksum fail
Code : &H001C &H038A
Meaning/Cause
The CPU unit received abnormal data.
Action
Contact your distributor.
28.999: Driver I/F undefined error
Code : &H001C &H03E7
Meaning/Cause
Undefined errors were detected in the communication process between the CPU unit and driver
unit.
Action
Contact your distributor.

Omron YRC Specifications

General

Brand	Omron
Model	YRC
Category	Controller
Language	English