Troubleshooting Flowcharts - Omron CPM1 Programming Manual

Troubleshooting Flowcharts

8-8 Troubleshooting Flowcharts
8-8-1 CPM1 Flowcharts
8-8-2 CPM1A Flowcharts
8-8-3 SRM1 Flowcharts
8-8-4 CQM1 Flowcharts
Main Check
444
Refer to 5-6 Troubleshooting Flowcharts in the CPM1 Operation Manual.
Refer to 5-6 Troubleshooting Flowcharts in the CPM1A Operation Manual.
Refer to 5-6 Troubleshooting Flowcharts in the SRM1 Operation Manual.
Use the following flowcharts to troubleshoot errors that occur during CQM1
operation.
Error
Power indicator lit?
Lit
RUN indicator lit?
Lit
ERR/ALM indicator
flashing?
Not lit
Is I/O sequence
normal?
Normal
Operating
environment nor-
mal?
Normal
Replace the CPU
Unit.
Note Always turn off the power to the PC before replacing Units, batteries, wiring,
or cables.
Not lit
Check power supply.
Not lit
Check for fatal errors.
Flashing
Check for non-fatal errors.
Not normal
Check I/O.
Not normal
Check operating environment.
Section 8-8
(See page 445.)
(See page 446.)
(See page 447.)
(See page 448.)
(See page 450.)