Omron C200H-MC221 -, Operation Manual

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10-1 Error Indicators
The error indicators are located on the front of MC Unit, as shown in the following
diagram.
MC221
RUN ERR
X CCW
Y CCW X CW
Y CW
RUN ERR XCCW XCW YCCW YCW Error Error Processing
OFF OFF OFF OFF OFF OFF Watchdog timer
timeout error
I/O table verification
error
The MC Unit’s watchdog timer has timed out.
Replace the MC Unit.
Create an I/O table and try again.
ON OFF ON/
OFF
ON/
OFF
ON/
OFF
ON/
OFF
No error ---
ON ON OFF OFF OFF OFF MC Unit error An error has occurred in the MC Unit itself.
Check details of the error with the PC, Teaching
Box, or MC Support Software.
ON ON ON OFF OFF OFF EEPROM error An error has occurred in EEPROM, the MC
Unit or in the MC Unit’s RAM Replace the MC
ON ON OFF ON OFF OFF RAM error
Unit, or in the MC Unit’s RAM. Replace the MC
Unit.
ON ON OFF OFF ON OFF CPU error
Replace the MC Unit.
Note For error codes larger than 1000 that might occur while using the MC Support
Software, refer to Section 18 Error Processing of the MC Support Software
Operation Manual (W256) .
Refer to Sections 10-2 to 10-4 for details about the error codes. The first error
code will be output to the n+9 words of the work area.
Error Indicators Section 10-1