Omron CPM2B ユーザーズマニュアル

Use the following flowcharts to troubleshoot errors that occur during operation.

Check for non-fatal errors. (See page 121.)

Error

Replace the CPU
Board.

PWR indicator lit?

RUN indicator lit?

ERR indicator

flashing?

Is I/O sequence

normal?

Operating 

environment normal?

Operation stopped. Check for fatal errors. 

(See page 120.)

Check I/O. (See page 122.)

Check operating environment. (See page 124.)

Yes

Check power supply. (See page 119.)

No

No

No

No

Flashing

Yes

Yes

Not lit

Yes