Omron SYSMAC CPM1 Operation Manual page 110

Troubleshooting Flowcharts
Power Supply Check
94
Power indicator not lit.
No
Is power being
supplied?
Yes
No
No
Is voltage adequate?
Yes
No
Are there any loose
Yes
terminal screws or bro-
ken wires?
No
No
Replace the CPU
Unit.
Connect power
supply.
Yes
Is Power indicator lit?
Set supply voltage
within acceptable limits.
Yes
Is Power indicator lit?
Tighten screws or
replace wires.
Yes
Is Power indicator lit?
Section 5-6
End