Omron CPM2C-S100C Operation Manual page 231

Troubleshooting Flowcharts
Power Supply Check
PWR indicator not lit.
No
Is power being
supplied?
Yes
No
No
Is voltage adequate?
Yes
No
Are there any discon-
Yes
nected connectors or
broken wires?
No
No
Replace the CPU
Unit.
Connect power
supply.
Yes
Is PWR indicator lit?
Set supply voltage
within acceptable limits.
Yes
Is PWR indicator lit?
Connect connectors
or replace wires.
Yes
Is PWR indicator lit?
Section 9-5
End
209